Exam 9: Sustaining Biodiversity: the Species Approach
Exam 1: Environmental Problems, Their Causes, and Sustainability100 Questions
Exam 2: Science, Matter, Energy, and Systems102 Questions
Exam 3: Ecosystems: What Are They and How Do They Work110 Questions
Exam 4: Biodiversity and Evolution104 Questions
Exam 5: Biodiversity, Species Interactions, and Population Control100 Questions
Exam 6: The Human Population and Its Impact111 Questions
Exam 7: Climate and Biodiversity100 Questions
Exam 8: Aquatic Biodiversity109 Questions
Exam 9: Sustaining Biodiversity: the Species Approach100 Questions
Exam 10: Sustaining Terrestrial Biodiversity: the Ecosystem Approach108 Questions
Exam 11: Sustaining Aquatic Biodiversity122 Questions
Exam 12: Food, Soil, and Pest Management118 Questions
Exam 13: Water Resources115 Questions
Exam 14: Geology and Nonrenewable Mineral Resources115 Questions
Exam 15: Nonrenewable Energy102 Questions
Exam 16: Energy Efficiency and Renewable Energy103 Questions
Exam 17: Environmental Hazards and Human Health103 Questions
Exam 18: Air Pollution112 Questions
Exam 19: Climate Disruption and Ozone Depletion111 Questions
Exam 20: Water Pollution114 Questions
Exam 21: Solid and Hazardous Waste108 Questions
Exam 22: Cities and Sustainability99 Questions
Exam 23: Economics, Environment, and Sustainability104 Questions
Exam 24: Politics, Environment, and Sustainability90 Questions
Exam 25: Environmental Worldviews, Ethics, and Sustainability55 Questions
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Many biologists consider the rapid loss of the earth's biodiversity to be the most serious and long-lasting environmental problem the world faces.
(True/False)
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Extinctions, even those caused unintentionally by humans, seem less disturbing than the volume of extinctions and their implications for future generations.What do you think the importance is of the volume of extinctions? Do we have a responsibility to retain as much of the biodiversity as possible, or are other living organisms to be used as we see fit? Explain your answer.
(Essay)
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The ____________________ has the responsibility for identifying and listing endangered and threatened oceans species under the ESA of 1973.
(Short Answer)
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Four of the following are ways that the pressure can be taken off of some endangered species; one is not.Choose the one that is not.
(Multiple Choice)
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During this century, with global climate change and other human activities, the current extinction rate could reach ____________________ times the background rate of extinction.
(Short Answer)
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The only major group of species that have escaped increasing extinction threat are the primates, where less than 10% are currently threatened with extinction.
(True/False)
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A new underground vault on a remote island in the Arctic is intended to preserve _______________ and endangered plant species by storing their seeds in refrigerated, low-humidity environments.
(Short Answer)
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According to researchers, the greatest threat to wild species is
(Multiple Choice)
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In the state of Hawaii, 95% of endangered species are endangered because of invasive species.
(True/False)
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Those who oppose the Endangered Species Act say it has been a failure. Biologists say it has not, because of four of the following five reasons. Choose the one that is not one of the four reasons.
(Multiple Choice)
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The active ingredients in nine of the ten leading prescription drugs originally came from wild organisms.
(True/False)
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Which of the following organisms pollinates nearly 100 commercially grown crops in the U.S., including one-third of U.S.fruit, nut, and vegetable crops?
(Multiple Choice)
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Biologists estimate there are now about 4 million ____________________ in Florida, Texas, and 22 other U.S.states.
(Short Answer)
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The biggest problem with invasive species is that in the new location they
(Multiple Choice)
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Which of the following would be allowed under a habitat conservation plan?
(Multiple Choice)
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Bioprospectors are miners that are involved in causing the extinction of plants and animals.
(True/False)
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It will take ____________________ generations for natural speciation to rebuild the biodiversity we are likely to destroy in this century.
(Short Answer)
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We should act to prevent premature extinction of species, in part because they contribute to ____________________, those services that support our economies.
(Short Answer)
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The rate of species loss and the extent of biodiversity loss are likely to ____________________ during the next 50─100 years as a result of the growth of the world's ____________________ and resource use per person.
(Short Answer)
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