Question

Define vestigial organs. Write names
of some vestigial organs in human
body and write the names of those
animals in whom same organs are
functional.
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Answer 1

Answer:

1) Vestigial organs are degenerated or underdeveloped organs of organisms which do not perform any function. <br> (2) According to the principle of natural selection, such organs are on the verge of disappearance. But it takes many millions of years for its complete vanishing. <br> (3) The vestigial organs in one animal may be of use but to other kind of the animal as they still perform regular functions. <br> (4) Appendix is vestigial for humans, it does not perform any function but in ruminant animals it is concerned with digestion. <br> (5) Ear muscles are vestigial for us but in monkeys and cattle they are functional.

Explanation:

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Answer 2

Answer:

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