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Natural selection arises as a result of?

Biology
WAEC 2021

Natural selection arises as a result of?

  • A. gene mutation
  • B. change of habitat
  • C. reduction in population
  • D. climate change
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Correct Answer: Option A
Explanation

Natural selection is the result of genetic variation, environmental pressures, and competition for resources. 

Genetic variation as a result of the following:

  • Mutations: Create new genotypes
  • Sexual reproduction: Increases genetic variation
  • Heritable traits: Passed from parent to offspring
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