The environment quiz – Flashcards
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Solids in wastewater treatment are removed in ________.
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Pre-Treatment
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Over 100 years ago, the majority of waste made up from residential homes was ________.
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coal ash
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When considering using graywater, you might use the water for ________.
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flushing toilets
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There are a variety of ways to approach waste reduction, with the exception of ________.
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buying individual items, not in bulk
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Most hazardous wastes come from ________.
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chemical and petroleum industries
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Hazardous wastes are characterized by being mainly ________.
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corrosive, flammable and explosive
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The most common use of bioremediation has been to assist in the cleanup of ________.
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oil spills
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________ constitutes the largest portion of the municipal solid waste stream
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paper
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What pesticide has been primarily used to control mosquito populations?
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DDT
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Which of the following is considered a physical human hazard?
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earthquake
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Which of the following is considered a biological human health hazard?
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Malaria exposure
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Toxicology is the study of ________
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toxin effects on human health
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In toxicology studies, LD50 can be best described as ________.
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the dose at which 50% of an exposed population is killed or displays a specific symptom
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Bisphenol A is most often found in ________.
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plastics
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The H1N1 flu virus is common in ________ but rarely transmitted to humans until recently
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pigs
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There are significant differences in the leading causes of death between developed and developing regions of the world. The biggest difference is in the category of ________.
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frequency of cardiovascular diseases
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Where in South America is the risk of a earthquake higher?
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West Cooast
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The current total world population is ________.
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7 billion
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The increase in atmospheric carbon dioxide is a direct result of all of the following activities except ________.
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Smoking
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An ecosystem is best defined as ________.
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all the organisms and their physical and chemical environment within a specific area where
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A hypothesis can best be described as ________.
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a proposed explanation based on observation
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All the organisms and their physical and chemical environment within a specific area best describes ________.
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ecosystems
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At virtually any level of use, nonrenewable resources can be ________.
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exhausted or depleted
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Global population is projected to be about ________ in 2050.
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9 billion
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Environmental science is best described as ________.
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studying all aspects of an environment
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Negative feedback processes tend to function within ecosystems to ________
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stabilize the ecosystem
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Which of the following is not considered Biota?
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rainfall
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The Modern Era's views on the relationship of humans and the environment can be described
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human impacts on ecosystems differ significantly from natural disturbances
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During the 19th century, as populations grew and urban environments expanded, humans had less exposure to ________
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natural environments
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DDT was originally intended to kill ________.
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mosquitoes
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Environmental ethics is best defined as ________.
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studying the moral relationships of humans to the environment and the environment's living organisms
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The price consumers are willing to pay for a resource that may be limited depends on ________.
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their perceived need for the resource
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When a commodity is in short supply, the cost ________.
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goes up
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Gross domestic product is ________.
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the total economic value of goods and services produced by a country
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Which of the following agencies has significant influence on international environmental policy but no government representation or participation?
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The World Wildlife Fund
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The tree shown in this photograph has nutritional or medicinal benefits for humans. This tree would be referred to as having ________.
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instrumental value
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Which of the following land areas shown on this map have the greatest Ecological value?
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Areas with forests that are along rivers in tropical and temperate regions
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Duty-based ethics
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Rightness o wrongness of actions should be determined by a set of rulels or laws
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virtue ethics
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an action is right if it is motivated by virtues that include kindness , honesty,loyalty,&justice
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anthrocentric
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Defines right actions in terms of outcomes for human
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Biocentric ethics
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Argues that the value of other living things is equal to the
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duty based ethics
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Rightness or wrongness of actions should be determined by a set of rules or laws.
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Total fertility rate refers to ________.
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the potential number of offspring born per female in her reproductive years
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The lowest fertility rates may be found in ________. A) developing countries
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countries providing opportunities for women's education
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When populations approach their carrying capacity, their resources ________.
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become more scarce as growth rate becomes zero
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An organism's ________ for many environmental factors determines where it can live
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range of tolerance
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What are the three requirements for photosynthesis?
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Sunlight, carbon dioxide, and water
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From what process do all organisms use energy to power their physical, behavioral, and reproductive functions?
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Cellular respiration
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In asexual reproduction, ________.
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the offspring have identical DNA
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Population growth is determined by ________.
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birth, death and net migration
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Which of the following is an example of a prokaryote?
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bacteria
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How does generation time affect population growth rate?
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The shorter the generation time, the higher the population growth rate
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Globally, what is the main reason that life expectancy has increased dramatically over the last five decades?
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Improved health care, nutrition and sanitation
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