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Biology, 22.06.2019 11:30
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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Biology, 22.06.2019 19:30
Do you think humans have a moral obligation to preserve the habitat of the chimpanzee
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Biology, 23.06.2019 00:00
Brainlest awardhow does smoking and arterial plaques increase the risk of hypertension? (2 points) select one: a. both increase blood volume. b. both decrease blood volume.c. both expand the diameter of the blood vessels. d. both constrict the diameter of the blood vessels.
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Health, 26.07.2019 10:50
Mathematics, 26.07.2019 10:50
Biology, 26.07.2019 10:50
Mathematics, 26.07.2019 10:50
Mathematics, 26.07.2019 10:50
Biology, 26.07.2019 10:50
Mathematics, 26.07.2019 10:50
Mathematics, 26.07.2019 10:50
Mathematics, 26.07.2019 10:50