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Environment

Environmental Science

Quiz 3 :

Evolution,biodiversity,and Population Ecology

Quiz 3 :

Evolution,biodiversity,and Population Ecology

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The carrying capacity is the __________________.
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Answer:

A

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What characteristics do humans share with r -selected species?
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Answer:

A

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Population distribution describes __________________.
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Answer:

D

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Which of the following is an example of an ecosystem?
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Groups of organisms with low biotic potential,such as gray whales, __________________.
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Mutation and __________________ are the key mechanisms that generate and maintain genetic variation among individuals in most populations.
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Heavy rains and mudslides cause a river to change course,isolating two groups of lizards from one another.If they remain isolated for a long period of time,__________________ .
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A niche specialist is __________________.
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Populations in which the probability of dying is constant at every age exemplify __________________.
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Unregulated populations tend to increase by __________________.
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Which of the following is TRUE?
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A population is __________________.
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How do feral pigs relate to the malaria problem in Hawaii?
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At Hakalau Forest in __________________,ranchland is being restored to forest,invasive plants are being removed and native ones are being planted,and néné are being protected while new populations of them are being established.
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Extinction is __________________.
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Which of the following scenarios best describes a density -dependent factor limiting population growth?
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High population density can __________________.
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img Use the accompanying figure to answer the following question -Organisms that are closely related have a recent common ancestor.Of the following,which choice lists organisms that are most closely related to each other?
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Endemic species __________________.
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Which of the following descriptions of a hummingbird best describes its niche?
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