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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.
Answers: 1
Biology, 22.06.2019 12:10, sgalvis455
What would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?
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How can i identify an independent and dependent variable...
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