Biology · Evolution
Which of the following best defines a vestigial organ based on evolutionary biology?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Organs that are newly evolved to adapt to a specific environment.
- 2Organs that have appeared suddenly in a species without any ancestral history.
- 3Organs that are actively growing and essential for the survival of current species.
- 4Organs fully developed in ancestors but reduced or functionless in descendants due to environmental changes.✓
Correct answer
Organs fully developed in ancestors but reduced or functionless in descendants due to environmental changes.
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