Environmental Science – Final Review – Flashcards
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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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            Environmental science is an interdisciplinary are of study that deals with all of the following EXCEPT
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        None of the above: Politics / Economics / Ethics
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            An ecosystem approach
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        Would include the study of how humans interact with the natural world
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            All are changes in Yellowstone's ecosystem after wolves were introduced EXCEPT
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        An increase in coyote population What did occur: an increase in willow and aspen stands / a reduction in elk populations / and an increase in beaver populations
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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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            In which region has the original, natural ecosystem been replaced by agriculture?
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        The Middle US
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            Global Security is a concern in environmental science because
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        An increased number of people are competing for scarce resources
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            Which region of the country has serious water contamination problems from toxic chemicals that bioaccumulate in fatty tissue of fish, birds, and top predators?
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        The Great Lakes and Industrial Northeast
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            Ethics is
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        a branch of philosophy
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            Environmental ethics can best be defined as
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        Examining the moral basis of environmental responsibility and its extent
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            Biocentrism is also known as
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        Life-centered environmental ethics
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            The theory of environmental ethics espouses that all forms of life have the right to exist is referred to as
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        Bocentric
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            The concept of environmental justice emerged
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        When studies demonstrated that toxic waste was more likely disposed of in low income areas
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            Sustainable development means
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        Development that allows nature to replenish itself
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            Risk based corrective action was formed to
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        Protect environmental ecological resources
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            Most environmental decisions involve
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        A balance between the costs of a risk and the economic impact of removing that risk
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            Which of the following is NOT a characteristic of sustainable development
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        Assigning value to everything
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            When people have shared ownership of a resource, economists argue that there is a strong tendency to overexploit that resource. This is referred to as:
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        Misfortune of Shared Ownership
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            Point at which there is no significant health or environmental risk
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        Negligible risk
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            The four steps in the risk assessment process are
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        Hazard identification, exposure assessment, dose-response assessment, and risk characterization
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            This step in the risk assessment process determines potential health concerns from exposure to certain amounts of toxin, usually through laboratory tests on animals, as well as human health data
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        Exposure assessment
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            The scientific method is
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        Reliable, impartial, and limited in when it can be used (all of these are correct)
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            Photosynthesis occurs in
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        Plants
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            The first law of thermodynamics states that
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        Energy can neither be created nor destroyed
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            The second law of thermodynamics states that
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        Energy is the ability to do work
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            Process whereby organisms break down large molecules to obtain energy
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        Respiration
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            Which of the following is an example of abiotic factor?
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        The climate of the community
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            Natural selection is the process that determines
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        Which individuals within a species will reproduce and pass their genes to the next generation
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            The development of herbicide resistance in populations of weeds over several generations is an example of
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        Evolution
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            This concept states that no two species can occupy the same ecological niche in the same place and the same time
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        Competitive Exclusion Principle
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            Habitat can best be defined as
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        The place an organism lives
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            Secondary consumers are
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        Carnivores
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            What is the term used to describe food chains which overlap and intersect
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        Food web
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            In addition to burning fossil fuels, which activity has caused significant changes to the carbon cycle?
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        Conversion of forests to agricultural lands
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            A community of living organisms interacting with one another and the physical and chemical factors of their nonliving environment is called
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        An ecosystem
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            Grazing animals and the grasses they eat have both evolved in response to each others influence. this process is known as
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        Coevolution
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            Which of the following organisms is a primary producer
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        Fungi
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            Which of the following organisms is a secondary consumer
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        Wolf
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            In a mutualistic relationship
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        Both species benefit
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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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            The relationship between frogs and insects is an example of
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        A predator-prey relationship
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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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            Which biome is characterized by high levels of rainfall brought in from cool coastal waters and slow evaporation leaving a lot of moisture to sustain large evergreens
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        Temperate rainforest
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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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            The two major factors influencing vegetation in biomes are
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        Precipitation and temperature
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            Savannas are found in
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        Tropical parts of Africa
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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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            Human impact on temperate forests include
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        Farming, logging, population centers All of these are correct
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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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            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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            Which is an example of secondary succession?
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        A burning field
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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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            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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            K-strategists
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        Are long-lived organisms
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            By feeding plants to animals, and harvesting animal products, what percent of the energy in the original plan is lost
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        90
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            The size of the population of a particular organism that can be supported by the local environment is known as the
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        Carrying capacity
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            The r-strategy in reproduction includes the production of offspring which
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        Are provided with little food and parental care
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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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        Estuary
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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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            You would find a temperate rainforest along the coasts for all of the following states except
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        Northern New York
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            Photosynthetic free-floating marine organisms are called
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        Phytoplankton
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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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            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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            Terms used to describe factors (or sets of factors) that limit population size (limiting factors) include
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        Extrinsic and intrinsic
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            Factors that control populations that come from outside the population are known as
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        Extrinsic limiting factors
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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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            Which condition is necessary for a population to grow?
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        Natality must exceed mortality
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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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            Two ways to reduce your carbon footprint are
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        Walk or bike more, and choose wind power for your electricity
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            Which organism is affected the most by the accumulation of waste
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        Bacteria
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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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            Which of the following is NOT an environmental factor limiting population size
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        Disease
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            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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            Oysters produce a million eggs of which only a few find sustainable habitat to live. they are said to be
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        R-strategists
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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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            The remains of plants, animals, and microorganisms that lived millions of years ago is commonly referred to as
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        Fossil fuels
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            Electricity is both a way that energy is consumed and a way that it is
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        Supplied
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            In order for a nation to participate in the Industrial Revolution, they had to have
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        A source of coal
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            Which country has the highest per capita energy use for transportation
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        United States
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            The price of a liter of gasoline is determined by
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        The cost of processing crude oil into gasoline The cost of purchasing crude oil State and federal taxes All of the above
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            Choose the correct historical sequence of fuel use in the US from 1800to the present
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        Wood, coal, oil, gas
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            Almost all electrical energy is produced as a result of
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        Burning fossil fuels
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            Which of the following is a renewable method to generate electricity
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        Geothermal Hydroelectric Wind All of the above
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            Biomass such as_____ is used by much of the developing world as its energy source
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        Wood
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            What percentage of the world's commercial energy is furnished by fossil fuels
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        80%
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            Which of the following is included in the alternative to drilling for oil in ANWAR
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        ...
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            Which fossil fuel is the most abundant
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        Coal
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            Which form of coal is relatively abundant and most widely used
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        Bituminous
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            Which of the following processes involves removing materials from the top of a vein of coal to get to the coal beneath
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        Surface mining
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            Solar, geothermal, and tidal energy are forms of
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        Renewable resources
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            The best sites for tidal hydroelectric plants are
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        Fast flowing rivers near the coast
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            Environmental problems associated with geothermal energy include
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        Air pollution, corrosion of pipes, and may be toxic to fish
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            Unlike batteries, fuel cells
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        Run continuously and do not need to be recharged
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            Environmental problems associate with wind power are
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        Hazardous to birds, vibrations cause structural problems, and noise and visual pollution
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            Naturally occurring substances that can be extracted under current conditions are called
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        Resources
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            Heat energy from the Earth's core
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        Geothermal energy
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            Known deposits from which materials can be extracted profitable under current economic and technological conditions are called
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        Reserves
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            The first goal for developing nuclear energy was to
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        Produce bombs
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            One of the greatest terrorism-related nuclear threats is from
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        Dirty bombs
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            Choose the correct sequence of steps in the nuclear fuel cycle
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        Mining, enrichment, fabrication
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            Which one of the following processes involves increasing the U-235 content of the ore from 0.7% to 3%
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        Enrichment
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            _________ is a controversial location proposed as a repository for long-term storage of nuclear waste in the United States
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        Yucca Mountain, Nevada
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            What radioactive isotope is generally used to fuel a controlled nuclear chain reaction
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        Uranium 235
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            Decomposition of an atoms' nucleus with the release of energy
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        ...
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            Biodiversity is a broad term used to describe the
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        Diversity of genes Diversity of species Diversity of ecosystems All of these are correct
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            Extinction of a species in one area of its range is called
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        Local extinction
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            Over the past few hundred years, humans have increased the species extinction rate by as much as
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        1000 times
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            Which of the following is NOT a technique for managing wildlife
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        NOT ---> Introduction of exotic species YES ---> Establishment of refuges Predator control Habitat management
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            Species are more likely to become extinct if they
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        Have both a low population density and reproductive rate
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            Which of the following is an example of a species that is not likely to become extinct soon
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        Rabbits
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            Which is the greatest cause of extinction
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        Habitat alteration
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            The Endangered Species Act of 1973
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        Gave the federal government jurisdiction over any species that were designated as endangered
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            The taxonomic group that displays the greatest biodiversity is
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        Insects
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            Those species that could become extinct if a critical factor in their environment were changed
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        Threatened species
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            Process of changing the natural community to encourage the increase in populations of certain desirable species
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        Habitat management
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            Early towns were usually built
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        Near rivers, lakes, and oceans
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            Large-scale migration to cities was caused by which of the following
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        Increased immigration from Europe Increased job opportunities in cities Cultural activties in cities All of these are correct
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            Which of the following encouraged suburban growth
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        Rising automobile usage
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            The impacts of urban sprawl include
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        Increased traffic congestion Air pollution Loss of habitat All of these are correct
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            Characteristics of a smart or sustainable community may include
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        Promoting economic success Seeking to protect and enhance the environment Enhancing a sense of community All of the above
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            "Green buildings" have been built over the past few years using a standard called
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        Leadership in Energy and Environmental Design (LEED)
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            Characteristics of high-performance green buildings are
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        Low flow water fixtures Location near public transportation Native vegetation used in landscaping All of these are correct
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            An example of a local growth management action would be
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        To establish growth limits by restricting building permits
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            Mass transportation systems are often underfunded because they are
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        ...
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            Development along transportation routes
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        Zoning
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            Large, regional urban center
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        Megalopolis
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            Unplanned suburban growth
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        Urban sprawl
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            Which term describes the movement of large plates on the surface of the Earth
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        Plate tectonics
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            ________ increase the decomposition rate of organic matter
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        High rainfalls
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            Land has characteristics that influence how it can be used, including
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        Soil, climate, and degree of slope
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            Which of the following do plants need to live
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        Water Carbon Dioxide Oxygen ALL of these are correct
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            Soil building begins with the physical fragmentation of layers of rock known as
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        Parent material
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            Decaying organic material is called
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        Humus
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            Soil erosion is linked to which of the following environmental issues
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        Soil pollution
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            The crust and solid outer mantle of the Earth
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        Lithosphere
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            Physical and chemical breakdown of parent material into soil
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        Weathering
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            Series of layers seen as one digs down into soil
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        Soil profile
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            Sustainable agriculture utilizes methods that
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        Do not deplete soil, water, air, or wildlife resources
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            "Organically grown" is a legally defined term which requires that
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        Organic farms be certified Organic farms must increase soil fertility Prohibits the use of synthetic pesticides and fertilizers All of these are correct
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            Which is a typical method used by organic farmers to control pests
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        Predator or beneficial insects such as the ladybug
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            A genetically modified organism has had one or more
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        Genes altered
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            The price and availability of chemical fertilizers is strongly influenced by
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        the price of oil an the world market
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            Increased crop yields in the US are the result of
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        Improved agricultural methods More efficient machinery The application of fertilizers All of these are correct
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            Which of the following is NOT a problem associated with pesticides
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        Bio-accumulation
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            Pesticide resistance is
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        Pesticide tolerant individuals who survive and reproduce, which makes the pesticide less effective for future pest generations
