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Biology, 21.06.2019 23:30
The organelle pictured is found in cells of and is theorized to have once been an independent organism.
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What organelle other than the nucleus houses dna in a eukaryotic cell?
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What type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled
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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
How does the decrease in biodiversity impact an ecosystem?...
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