EVR 1001 Exam 3 multiple choice QUESTIONS WITH ANSWERS

EVR 1001 Exam 3 multiple choice
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QUESTIONS WITH ANSWERS |\ |\




Infectious disease accounts for _______% of deaths
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globally. - CORRECT ANSWERS ✔✔nearly 25
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An organism, such as a mosquito, that transmits a
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diseasecausing
organism to a host is called a |\ |\ |\ |\ |\ |\




________. - CORRECT ANSWERS ✔✔Vector
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Rachel Carson's book Silent Spring primarily focuses on
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the environmental problems associated with
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________. - CORRECT ANSWERS ✔✔Pesticide toxicity
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________ are best defined as substances that cause birth
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defects. - CORRECT ANSWERS ✔✔Teratogens
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Toxicants that interrupt essential biochemical processes in
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organisms by blocking one or steps in
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important biochemical reactions are known as _______. -
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CORRECT ANSWERS ✔✔pathway inhibitors |\ |\ |\




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,Transport of airborne toxicants, a specific problem in
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agricultural environments, is called pesticide |\ |\ |\ |\




________. - CORRECT ANSWERS ✔✔Drift|\ |\ |\ |\




________ is/are biodegradable and known to have (a) short
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persistence time(s). - CORRECT ANSWERS ✔✔Bt
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The bald eagle, osprey, and peregrine falcon all are
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_______. - CORRECT ANSWERS ✔✔top consumers
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susceptible to eggshell damage caused by DDT |\ |\ |\ |\ |\ |\




Properties of toxicants likely to build up in animals
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through bioaccumulation are _______. - CORRECT
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ANSWERS ✔✔nonbiodegradable, |\




lipidsoluble


Mercury is not readily excreted; it is stored in mammalian
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body tissues. This is best described as
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________. - CORRECT ANSWERS ✔✔Bioaccumulation
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Assume that the scales for graphs (a) and (b) are
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identical. Compare the graphs. Which of the following
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statements is true? - CORRECT ANSWERS ✔✔The toxicant
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shown in (b) has a lower toxicity than the toxicant shown
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in (a).
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, Figures such as these _______. - CORRECT ANSWERS
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✔✔are used by scientists in risk assessment
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The graph in (c) is one type that may occur when a test
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animal is exposed to a(n) ______ - CORRECT ANSWERS
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✔✔endocrine disruptor |\




Aquatic animals such as fish and frogs are especially good
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indicators of water pollution because
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________. - CORRECT ANSWERS ✔✔most chemicals are
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water soluble so they enter these organisms through
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drinking or skin |\ |\




absorption


The book Our Stolen Future was important because it
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_______. - CORRECT ANSWERS ✔✔focused on the impacts
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of endocrinedisrupting
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chemicals on humans |\ |\




Louis Guillette is most famous for his studies _______. -
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CORRECT ANSWERS ✔✔describing reproductive and |\ |\ |\ |\ |\



developmental abnormalities in alligators Florida lakes |\ |\ |\ |\ |\




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