Multiple choice

Which of the following examples best explain the atavism?

  1. Nictitating membrane

  2. Wisdom teeth

  3. Vermiform appendix

  4. Long, thick and dense hair
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Atavism refers to the reappearance of ancestral characteristics that were lost during evolution. Long, thick body hair in humans resembles the fur of our primate ancestors, making it a good example of atavism.

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