Ecology and Environmental Science Mid-Term – Flashcards
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Environmental Aesthetics is the study of how to appreciate beauty in the natural world.
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True
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Industrial ecology is the study of laws which are designed to protect the health of human beings and their environment.
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False
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Ideally, the _____ of a particular nation or community should match the ethical commitments of those living there.
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laws
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CITES is an international treaty signed by 164 countries focused on preventing illegal trade in endangered species.
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True
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The establishment of the Environmental Equity Work Group in 1989 by the EPA is an example of
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environmental justice.
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The concept of putting aside land for the continuation of a traditional lifestyle is referred to as
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extractive reserve.
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In 2002, the FBI testified before Congress that two ecoterrorist groups alone, the ______________ and the ________________, had committed over 600 criminal acts in the United States.
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Earth Liberation Front, Animal Liberation Front
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The legal trade in rare or endangered species is estimated to earn over 5-8 billion a year, to aid habitat conservation measures.
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False
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Ethics is
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one branch of philosophy.
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Brazil nuts, latex rubber, and native medicines are examples of extractive reserves from the Brazilian rainforest.
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True
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Across the world, cultures have different ethical commitments, which are reflected through
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cultural relativism.
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What is the name of the theory which suggests that the environment has direct rights and qualifies for moral personhood?
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ecocentrism
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Author of Walden, which describes a year in which he lived in direct contact with nature.
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Henry David Thoreau
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Corporate expansion is determined primarily by
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profitability and cost reduction.
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Wrote Silent Spring, which dramatized the danger of pesticides to wildlife and humans.
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Rachel Carson
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Which of the following is NOT one of the General Motors Environmental Principles?
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oil spill reduction
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Anthropocentrism is a philosophy of environmental responsibility that focuses primarily on human interests.
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True
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The chief aim of CITES is to
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to prevent illegal international trade of endangered species.
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Environmental justice is a law that allows cities, states, or individuals the right to sue companies for contamination of water supplies.
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False
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The Oil Protection Act of 1990
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regulates supertankers and reduces the chances of oil spills.
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Stresses a balance between resource use and resource availability
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conservation ethic
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In 1994, delegates from around the world gathered for the Conference on Population and Development. Representatives from developing countries protested that
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a baby born in the United States will consume 20 times the resources in its lifetime as an African or Indian baby.
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World food production has doubled in the last 40 years because of
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fertilizers, pesticides, and high-yielding varieties.
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Aldo Leopold published his thoughts on land-use ethics in A Sand County Almanac.
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True
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Predominant feeling of a culture concerning ethical issues.
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Morals
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The environmental justice movement emerged from the opposition of a PCB landfill in Warren County, North Carolina.
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True
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To get around the Oil Protection Act of 1990 many oil carriers
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use lightly regulated oil barges pulled by tugboats.
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In Ecocentrism, it is suggested that the environment itself, not just living organisms that inhabit it, has moral worth.
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True
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The view that a healthy relationship with the environment relies upon a spiritual oneness with the Earth.
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deep ecology
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Extractive reserves involve
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preserving part of the rainforest for the continuation of traditional lifestyles.
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Early critic of rampant economic development and the "invasion of nature by trade."
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Ralph Waldo Emerson
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The fuel cell is the likely future technology that will replace
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water
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Which of the following universities prohibits investment in companies that conduct business with the government of Sudan as part of an environmental investment responsibility policy?
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Cornell
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Founded the field of game management and wrote A Sand County Almanac.
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Aldo Leopold
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Assumes that the human race is the master of nature and that the Earth's resources exist for our benefit.
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development ethic
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Thomas Malthus was an ecologist that declared in his book The Population Time Bomb that worldwide famine was inevitable when human population growth exceeded food production.
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False
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Believed that "wilderness mirrors divinity, nourishes humanity, and vivifies the spirit."
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John Muir
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Personal ethical commitment can
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All of these are correct.
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Environmental Pragmatism is an approach that focuses on ethics rather than policy.
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False
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Biocentrism is also known as
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Life-centered environmental ethics.
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Nature has intrinsic value or inherent worth apart from human appropriation.
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preservation ethic
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Stresses recycling of waste resources rather than discarding them.
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industrial ecology
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Which naturalist stated that only government control could save California sequoia groves?
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John Muir
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What percent of the Earth's water is undrinkable?
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99%
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Which naturalist was fascinated by the countryside around Concord, Massachusetts and wrote of his experiences living close with nature?
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Henry David Thoreau
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Sustainable Development is a term first coined in a U.S. sponsored document called the "Brundtland Report" in 1987.
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False
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Environmental science is an interdisciplinary area of study that deals with all of the following except
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All of these are correct.
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Environmental science is a narrowly defined field of physical and biological sciences.
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False
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Environmental decisions involve economic considerations because often one group of people is receiving income from the resource being used.
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True
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Economic considerations are not involved with environmental decisions.
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False
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The organization of colleges and universities in the United States and Canada that promotes sustainability in higher education is called
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AASHE.
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The reintroduction of wolves to Yellowstone National Park did not have an impact on the ecosystem.
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False
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Biodiversity is fundamental to human welfare and economic development and plays a critical role in meeting human needs by maintaining the ecological processes upon which our survival depends.
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True
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The scientific community can advise governments but cannot insist that certain policies be adopted.
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True
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Agenda 21 was an agreement by
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178 nations for comprehensive sustainable development in 1992.
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The result of the 1997 Kyoto Summit was an international commitment to
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reduce emissions of greenhouses gases.
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Economics factors should be considered when
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making any environmental decisions
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An area of land in which there is little or no human development is referred to as a
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wilderness
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Some ecosystems have easily recognized boundaries, such as lakes, islands, or floodplains.
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True
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When dealing with environmental regulations, the United States government can
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All of these are correct
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Fertilizers and pesticides do not easily enter the ground water.
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False
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Before 1993, the U.S. Forest Service sold timber-cutting rights
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at below cost.
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An ecosystem is
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a group of interactive species and their environment.
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The Millennium Ecosystem Assessment was
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initiated by the United Nations to assess four broad ecosystem services.
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UNCED was the former name for the Earth Summit.
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True
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The bioaccumulation of contaminants is greatest in the top predators of an ecosystem.
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True
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The ecosystem approach requires scientists to recognize and understand natural interactions and to integrate this with human needs for natural resources.
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True
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The freshwater resources of the Great Lakes are shared resources of 8 U.S. states and 5 Canadian Provinces.
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False
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ASTM International is
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All of these are correct.
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The general public typically perceives involuntary risks, such as nuclear weapons, a greater risk than voluntary risks, such as smoking.
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True
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Which correctly demonstrates the sequence in which the three major worldwide economic transformations occurred?
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industrial revolution > technology revolution > globalization
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The supply is the amount of goods or service people are willing to sell at a given price.
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True
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Environmental costs are easy to assess, since they can be easily converted into monetary values.
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False
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Gift to private enterprise by government when the enterprise is in economic difficulty
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subsidy
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Risk based corrective action was formed to
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protect environmental ecological resources.
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Classically there are three kinds of resources, which are
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labor, capital, and land
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The use of facts and assumptions to estimate the probability of harm to human health or the environment is called
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risk assessment.
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Decision-making process that uses input such as risk assessment and economic impacts.
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risk management
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In economics, the price rises when demand exceeds supply.
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True
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Economists look at resources as the available supply of something that can be used.
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True
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The Superfund law was passed in 1980 to bring about cleanup of abandoned toxic waste sites.
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True
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Which of the following is NOT one of the green marketing principles?
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consumer proof of value
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A similarity between ecosystems and markets is that they both operate in the same time frame.
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False
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The basic premise behind the "The Tragedy of the Commons" is
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a resource becomes overexploited when its ownership is shared.
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Risk analysis consists of two primary considerations:
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risk and cost.
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Using renewable resources in harmony with ecological systems to produce a rise in real income and improved standard of living.
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sustainable development
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The goal of a deposit-refund program is to
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encourage product recycling through the refund of a deposit.
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More people die from aircraft accidents than from motor vehicle accidents.
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False
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We assign value to natural resources based on our perception of their _____________.
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profit margin
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The concept of "DfE," utilized in the United States by the EPA, is
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design for the environment.
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There is essentially no difference between risk assessment and risk management.
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False
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Which of the following is a market-based instrument?
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information programs
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One concern of the cost-benefit analysis is that it places an economic value on everything.
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True
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ASTM International is similar to ISO since it is a voluntary standard setting organization.
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True
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Risk assessment usually involves a statement regarding the possibility that something could occur.
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True
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Probability is the same as possibility.
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False
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Likelihood that a condition or action will lead to injury, damage, or loss.
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risk
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The debt-for-nature program's main goal is the reduction of debt in many developing countries.
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False
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Which of the following does NOT demonstrate the use of renewable resources?
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using underground coal deposits to produce heat and electricity
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More than 50% of the rivers in North America have been modified by dams, diversions, or other artificial controls.
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True
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Risk is the probability that a condition or action will lead to an injury, damage, or loss.
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True
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Mathematical statement about how likely it is that something will happen.
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probability
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Man has a tendency to misuse or overexploit any resource that is held in common public ownership.
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True
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Environmental risk assessment can include the ASTM International RBCA process as an assessment tool.
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True
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Which of the following is NOT a characteristic of sustainable development?
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adaptability
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A market-based instrument is a calculation of the net benefit or total positive impact of an environmental policy.
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False
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Relationship between available supply of a commodity or service and its price.
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supply/demand curve
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In the United States, performance bonds are used
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to cover the cost of reclaiming and revegetating mined sites.
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The general public perceives new technology as a greater risk than familiar technology.
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True
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Which of the following is NOT a pollution cost?
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increased health costs
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Which of the following labels is an example of a legitimate "green" product?
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tested as eco-safe and ozone friendly
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Risk tolerance can be based upon
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All of these are correct.
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What does the price of a product or service reflect?
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the demand for and availability of the product
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When the supply of a commodity exceeds the demand
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producers lower their prices.
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"Matter" is made up of
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atoms
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In a controlled experiment, a single test is performed from which the results are gathered and accepted by the scientific community.
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False
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Scientists usually experiment by collecting data
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from as large a sample as possible.
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Repeatability in an experiment is important because
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All of these are correct.
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Which of the following light sources is the most efficient?
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sulfur lamp
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Which of the following small molecules are converted to form sugar in photosynthesis?
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water and carbon dioxide
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The heat that causes liquid water to evaporate from your skin is called
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latent heat.
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Heat energy that is used to change matter from a solid to liquid or gas.
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latent heat
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Atoms of the same element that have a different number of neutrons.
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isotope
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The University of Arizona's water chilling and ice storage project functions their air conditioning.
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True.
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Damming water changes its quantity and not its quality.
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False
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The second law of thermodynamics states that whenever energy is converted from one form to another, some of the useful energy is lost.
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True
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Compound with a low number of hydroxyl ions or low pH.
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acid
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An acid is an ionic compound that releases hydroxyl ions.
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False
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Chemistry is extremely important in discussions of environmental problems.
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True
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In the United States, what percentage of energy consumed is in the form of electricity?
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36%
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Flood control measures to drain the Everglades resulted in devastating native plant and animal communities.
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True
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The Comprehensive Everglades Restoration Plan of 2000 would
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store water and release it slowly into the system to allow recovery of native species.
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Matter may be solid, liquid, or gas, depending on the amount of kinetic energy contained by the molecules.
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True
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Some of the steps followed in the scientific method include:
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observation, formulate and test a hypothesis, compare results to others and publish.
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Which of the following is NOT an inorganic household chemical?
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vinegar
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Central region of an atom.
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nucleus
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Chemical bonds are physical attractions between atoms resulting from the interaction of their electrons.
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True
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An ion is the product of photosynthetic reactions in plants.
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True
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The heat that is transferred from a hot object to your hand is known as
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sensible heat.
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The scientific method involves observation, hypothesis testing, critical evaluation of results, and the publishing of findings.
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False
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The energy released as water flows downhill from behind a dam is an example of
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kinetic energy.
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What is the fundamental subunit of matter?
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atom
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The nucleus of an atom contains
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protons and neutrons.
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Reproducibility is an important part of the scientific method and means that
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other scientists are able to repeat the experiment and obtain similar results.
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The position of an element in the Periodic Table tells you
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the number and position of the parts of the atom.
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In order to discern whether or not a product is green you should look for
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All of the above are true
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The scientific method is the process that scientists use to
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rigorously test the solutions to new questions.
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The release of chemical energy from food is analogous to the burning of fossil fuel.
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True
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Compound with a high number of hydroxyl ions or high pH.
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base
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Energy that cannot be used to do useful work is referred to as
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entropy
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Process whereby organisms break down large molecules to obtain energy.
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respiration
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A hybrid vehicle
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contains an internal combustion engine and an electric motor.
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The energy contained by moving objects, such as running water.
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kinetic energy
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In 2002 Iowa became the first state to regulate the use of phosphorus in lawn fertilizer.
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True
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Grazing animals and the grasses they eat have both evolved in response to each other's influence. This process is known as
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coevolution.
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Consumers are organisms that require no organic matter as a source of food.
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False
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Parasite that lives on the outside of its host.
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ectoparasite
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Everything that affects an organism during its lifetime is known as ecology.
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False
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The relationship between frogs and insects is an example of
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a predator-prey relationship.
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Conversion of natural ecosystems to agriculture ecosystems can lead to less carbon stored in soil and large plants such as trees.
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True
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The biotic component of an organism's environment is the non-living or physical factors.
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False
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The use of fertilizers in agriculture has significantly altered several nutrient cycles including
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All of these are correct.
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Series of stages in the flow of nitrogen in ecosystems.
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nitrogen cycle
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This meat eater often gets meat from animals that have died by accident or illness, or were killed by other animals.
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scavenger
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Stage in the flow of energy in an ecosystem.
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trophic level
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Competition between members of the same species.
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community
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Polyploidy is an evolutionary mechanism that may result i
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new plant species.
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Phosphorous is released from rocks by which process?
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weathering and erosion
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Bacteria that convert atmospheric nitrogen gas into usable plant forms.
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nitrogen-fixing bacteria
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Which of the following is an example of a keystone species?
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bison
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An organism that eats both plants and animals.
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omnivore
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Which of the following is NOT a decomposer?
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moss
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Each step in the flow of energy through an ecosystem is known as a
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trophic level.
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Competition between members of different species.
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interspecific competition
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Charles Darwin developed the idea of natural selection without understanding the gene concept.
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True
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The introduction of which organism is correlated with a major disruption to the food web of the Great Lakes?
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zebra mussels
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The carbon cycle is an example of how materials are cycled through ecosystems.
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True
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The niche of an organism is the result of many years of natural selection.
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True
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Interacting groups of different species in a given area.
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community
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About 20 percent of the energy passing from one trophic level to the next is lost.
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False
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At the highest trophic level, there is less energy and fewer organisms than at the lower levels.
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True
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The chief limiting factor to the success of most trout species is
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the dissolved oxygen content in water.
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In 2001 the IPCC report concluded that increased CO2 from human activity is contributing to climate change.
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True
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Which of the following is an example of an abiotic factor?
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the climate of the community in which the species mentioned above inhabit
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Among plants, a condition that results in the number of sets of chromosomes in cells to increase, is called
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polyploidy
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An organism that can manufacture its own food from inorganic substances.
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producer
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Biting insects that transmit parasites are known as
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vectors
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The source of nitrogen in the nitrogen cycle is found in rocks.
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False
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One primary environmental condition that determines the success of an organism.
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limiting factor
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Populations are all organisms of a specific kind that live within a specific geographic region
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True
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Bacteria that convert nitrogen compounds in the soil into nitrogen gas.
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denitrifying bacteria
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Animal that eats plants.
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herbivore
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Which of the following is an example of a detrital food chain?
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sewage treatment plan
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In a mutualistic relationship
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both species benefit.
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The small amount of dissolved oxygen found in warm water is considered a _______ to the success of many fish species.
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limiting factor
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Which of the following organisms is a secondary consumer?
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wolf
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Two organisms that interbreed and produce fertile offspring are said to be individuals of the same
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species.
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The production of a new species from a previous species is known as mutualism.
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False
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Polyploidy is an evolutionary mechanism that may result in
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new plant species.
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About 50% of photosynthesis activity takes place in fresh water.
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False
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If a species becomes isolated from another for a long time as a result of a barrier, speciation will not occur.
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True
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Charles Darwin is generally credited with
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developing the concept of natural selection
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Phosphate mining on the island of Nauru has contributed to a sequence of changes in the island ecosystem that ultimately reduced the life expectancy of islanders.
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True
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Genetic variation among individuals of the same species enables some of these individuals to have a greater chance of obtaining resources and therefore, producing more offspring.
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True
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Ecologists distinguish two different kinds of competition. One is
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Both intraspecific and interspecific are correct.
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Producers are organisms that are able to use sources of energy to make complex, organic molecules from simple inorganic substances in their environment.
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True
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The flow of carbon from the atmosphere to living organisms and back again.
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carbon cycle
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In an aquatic ecosystem, sedges and grasses are often found in central deeper portions of the waterbody.
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False
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Region with rooted vegetation in a freshwater ecosystem.
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littoral zone
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Organisms in each biome have adapted to the climatic conditions typical of that biome.
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True
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Which biome is characterized by tree frogs, large vines, and fruit-eating birds and bats?
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tropical rainforest
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Ecologists have learned that succession is influenced by many factors other than climate alone including
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invasive species, disease, human land use history, and seed dispersal.
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Biome which receives less than 25 cm of precipitation per year.
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desert
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Seaweed and other attached marine organisms prefer to grow in which of the following regions?
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benthic
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Human impact on temperate forests include
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All of these are correct.
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The unusual forest biome occurring in California, Oregon, Washington, and British Columbia is called a
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temperate rainforest.
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Muddy shores are often poor in oxygen.
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True
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Coral reefs are cold-water marine ecosystems dominated by tubeworms.
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True
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Which biome is characterized by organisms which are inactive during the day and burrow underground?
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desert
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What is the term used to describe a shallow, partially enclosed area where freshwater enters the ocean?
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esturary
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In a rainforest, most of the sunlight is captured by trees and therefore only
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shade-tolerant plants live beneath the canopy.
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Which of the following is NOT a characteristic of temperate deciduous forests?
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They produce useful plant products such as cashew nuts, vanilla, and rubber.
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The Blue Oak Ranch Reserve in San Jose, California is unique because it has remained undeveloped for its entire history.
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True
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Seasonal flooding of the Amazon can create wetland forests known as
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the varzea.
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Plants in this biome have features to survive long drought even though rainfall totals can be as high as 250 cm in a given month.
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tropical dry forest
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Biome that has a change of seasons and evenly distributed annual precipitation.
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deciduous forest
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Twenty percent of wetlands in the United States have been drained and filled.
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True
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The primary determiners of biomes are the amount and distribution of rainfall and the yearly temperature cycle.
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True
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Biome dominated by grasses and fire- and drought-resistant trees.
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savanna
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Which of the following is NOT true of climax communities?
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They have fewer types of interactions among organisms.
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What is the dominant organism colonizing bare rock during primary succession?
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lichens
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Which group of organisms forms the base of the energy pyramid in a pelagic marine ecosystem?
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plankton
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You would find a temperate rainforest along the coasts of all of the following states except
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northern New York.
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Freshwater resources in lakes and rivers account for about 0.02% of the world's water.
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True
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Coral reefs can be altered by fishing and siltation from rivers.
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True
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Which is an example of secondary succession?
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a burned field
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Which of the following is NOT a region in a lake ecosystem?
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pelagic zone
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Recently, biologists discovered a new community of organisms that live in the canopy of tropical rainforests.
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True
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Regional terrestrial climax communities are called eutrophic systems.
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False
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A floating bog is an example of
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aquatic primary succession.
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Each stage in the process of succession is called a
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seral stage
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Early stages of succession that begin the soil-building process.
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pioneer community
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In desert biomes, flowering usually coincides with
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moisture availability.
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Attached organisms in freshwater streams and rivers.
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periphyton
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Primary succession is
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a progression that begins with a total lack of organisms.
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Most temperate deciduous forests have survived without impact from human activity due to their location.
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False
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In addition to northern latitudes, patches of tundra-like plant communities are also found
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on mountain tops.
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The two major factors influencing vegetation in biomes are
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precipitation and temperature.
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Organisms that live on the bottom of marine or freshwater ecosystems.
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benthic
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Shallow warm nutrient-rich lakes are described as
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eutrophic
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Amount of oxygen required to destroy organic molecules in aquatic ecosystems.
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biochemical oxygen demand
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Ecologists have discovered that the process of succession is very predictable.
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False
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Conservation easements can
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All of the above are correct.
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Mediterranean Shrublands (Chaparral) have been heavily impacted by humans because
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both they are near the oceans and have a moderate climate
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Small organism that has a short life span and produces a large number of offspring.
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r-strategist
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Movement of organisms into a different region
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immigration
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Combination of all environmental influences that tend to keep populations stable
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environmental resistance
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Age distribution and sex ratio have little impact on population growth.
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False
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Populations of r-strategists will be most affected by
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density-dependent factors.
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On a population growth curve, the _____________________ phase results in the same percentage increase each year.
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exponential growth
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Which condition is necessary for a population to grow?
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Birthrate must exceed death rate
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Movement out of an area that was once one's place of residence.
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emigration
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Inherent reproductive capacity.
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biotic potential
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One of the targets of The United Nations Millennium Development Goals is to decrease the proportion of people lacking access to safe drinking water and basic sanitation by
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50%
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Which of the following is the correct sequence of phases in a typical population growth curve?
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lag, exponential, stable equilibrium
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A measure of the land area required to provide the resources and absorb the wastes of a population is referred to as the
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ecological footprint.
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K-strategists typically are small and short-lived organisms.
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False
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Since 1925, China has had a series of family planning programs aimed at reducing the number of births in their country.
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False
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Which organism was introduced into the Great Lakes and has expanded its range to the Mississippi River?
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zebra mussel
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The scientific study of human populations, their characteristics, how these characteristics effect growth and the consequences of that growth is known as demography.
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True
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Phase in a population growth pattern in which the death rate and birthrate become equal.
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stable equilibrium phase
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As a result of the ban on international trade of elephant products,
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the elephant population has exploded.
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The current (2004) human population is about
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6.4 billion.
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Optimum number of individuals of a species that can be supported in an area over an extended period of time.
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carrying capacity
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Which of the following limiting factors is NOT a component of environmental resistance?
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organismal biotic potential
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The ecological footprint of Japan is estimated to be 5 times larger than its locally available resources.
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True
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Oysters produce a million eggs of which only a few find suitable habitat to live. They are said to be
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r-strategists.
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Available raw materials are one of the limiting factors regulating carrying capacity.
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True
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The factors that prevent unlimited population growth are known as limiting factors.
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True
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All the different limiting factors that act upon a population are collectively known as environmental resistance.
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True
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A population is a group of different species that inhabit a specific area.
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False
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K-strategists are
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large and long-lived and controlled by density-dependent factors.
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The Red-Cockaded Woodpecker is an endangered species primarily due to
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commercial logging of mature pine trees which are required for nesting.
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The introduction of genetic and cultural characteristics into an existing population is called emigration.
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False
question
In the real world, many organisms don't "fit" clearly into either the r-strategist or K-strategist category for
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population reproductive strategies.
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Measure of how close organisms are to one another.
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population density
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Combination of all environmental influences that tend to keep populations stable.
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environmental resistance
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Natality measures the number of individuals that die in a population over a period of time.
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False
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Migration of organisms from a concentrated population into areas with lower population densities.
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dispersal
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When a population stops growing and its size no longer fluctuates, it is said to
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be at stable equilibrium.
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Period of population growth when the population increases at an ever-increasing rate.
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exponential growth phase
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The rate of human population growth has led to political unrest in response to unequal access to resources.
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True
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Population growth is determined by the combined effects of birthrate and death rate.
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True
question
Deer invest a great deal of energy in a few offspring that have a good chance of living to reproduce. They are said to be
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K-strategists.
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Ecologists refer to the maximum sustainable population for an area as
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carrying capacity.
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The sex ratio of a population is a way of stating the relative number of males and females.
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True
question
The human population growth curve is currently in which phase?
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exponential growth
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Comparative percentages of different age groups within a population.
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age distribution
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Which phase of a population growth curve is characterized by very slow growth due to reproduction and offspring growth?
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lag phase
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Which of the following countries has the lowest population growth rate?
answer
Sweden
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Large organism that has a long life span and produces few offspring.
answer
K-strategist