Researchers aboard Alvin discovered the presence of hydrothermal vents on the ocean floor.
Phase 2b.......................................................................................
Answer: Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
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hey Rebecka the answer is in the photos. thank me later, also you should cut me some cucumbers
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