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Question
- Define vestigial organs.
- Write names of any two vestigial organs in the human body.
- Write name of those animals in which these vestigial organs are functional.
Solution
- Vestigial organs are degenerate organs that are inadequately developed and non-functional. They could be useful in certain related and unrelated species, as well as in ancestors.
- Vestigial organs in humans are:
- Appendix
- Wisdom teeth
- Ear Muscles
- Tail-bone
-
- Appendix is fully functional in ruminants for digestion of cellulose.
- Ear pinna is useful in many animals like rabbits, cows, horses, etc.
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RELATED QUESTIONS
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