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Biology, 22.06.2019 09:30
Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these
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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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Sperm are ejaculated from the corpora cavernosa of the penis. true or false
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Biology, 22.06.2019 23:00
Atype of organism that no longer exist on earth is said to be
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You might expect al but one of these thing to happen among the finch population...
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