Answer and explanation

Correct answer: B. Individuals with advantageous traits survive and reproduce more successfully

  1. Step 1: Natural selection acts on phenotypic variation. Step 2. Individuals possessing alleles that confer higher fitness (survival and reproductive advantages) leave more surviving offspring. Answer: Individuals with advantageous traits survive and reproduce more successfully. Why not the others: Over generations, the frequency of beneficial alleles increases in the population.

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