Multiple choice

Which among the following statements regarding the vestigial organs is incorrect?

  1. Vestigial traits can still be considered adaptations.

  2. Vestigial structures are often heterologous to structures that are functioning normally in other species.

  3. There are also vestigial molecular structures present in humans.

  4. The formation of goose bumps in humans under stress is a vestigial reflex.

  5. The human caecum is a vestigial organ.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vestigial structures are often homologous to structures that are functioning normally in other species. Therefore, vestigial structures can be considered evidence for evolution, the process by which beneficial heritable traits arise in populations over an extended period of time.

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