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Which statement describes natural selection? It is the primary mechanism for evolution. It must act on structural traits. It acts to cause overpopulation. It causes learned skills to become heritable traits.
answered
May 14, 2017
Biology
high-school
5
votes
84.9k
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Over half of Canada’s population lives in the __________ region. A. Arctic B. lowlands C. Great Plains D. eastern mountain
answered
Jan 31, 2017
Geography
high-school
3
votes
208k
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