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4 votes
Fill the blank.

Natural selection is affected by ___, or traits that are different in members of the same species.

A. variations
B. adaptations
C. mutations
D. selections

User Del Brown
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1 Answer

5 votes
B is the answer, you could also tell next time if you use context clues. Read the sentence after or before it will usually tell you the answer.
User Patrick VD
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