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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.
Answers: 1
Biology, 22.06.2019 15:50
What happens to the average kinetic energy of water molecules as water freezes?
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Biology, 22.06.2019 18:00
Which three statements represent the benefits of performing experiments using computer simulations?
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Biology, 22.06.2019 19:00
What’s a example of extrusive rock that cooled to quickly for grains to form
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Which of the following might occur if people fail to conserve water? a. increased sewage system fa...
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