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In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result
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If your blood becomes too concentrated with iona, what will happen to the red blood cells
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Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area
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Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
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Explain the change in size of population from 1961 to 1977 in terms of birth rate and death rate. as...
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