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| 1 . |
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The largest number of known species are in which taxonomic group?
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| 2 . |
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The single largest reason for the current decline in biodiversity is
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| 3 . |
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An international agreement that focuses on trade in wildlife and wildlife parts is known as what?
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| 4 . |
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A species whose role is absolutely vital for the survival of many other species in an ecosystem is called a(n)
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| 5 . |
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One of the first wildlife protection laws in the United States was the
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| 6 . |
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Among vertebrate groups in the United States, the group with the largest number of endangered species is what?
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| 7 . |
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The benefit of a species' existence or use to another entity, often humans, gives the species a(n)
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| 8 . |
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The value of a natural species may be
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| 9 . |
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The peregrine falcon and the bald eagle were driven to extremely low numbers because of [Hint]
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| 10 . |
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The main difference between instrumental and intrinsic value of species is that [Hint]
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| 11 . |
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The study of the relationship between plants and people is called [Hint]
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| 12 . |
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A 1997 Nature Conservancy of biodiversity in the 50 states concluded that almost _______ of plant and animal species are vulnerable, imperiled, or already extinct. [Hint]
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| 13 . |
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Which of the following is not a cause of biodiversity loss? [Hint]
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Answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.
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