Define vestigial organs. Write names of some vestigial organs in human body and write the names of those animals in whom some organs are functional
Ans :
Definition : Degenerated or under developed useless organs of organisms are called as vestigial organs. In humans, Appendix is useless but it is useful and fully functional organ in ruminants. Similarly, muscles of ear pinna, are also useless in humans but are useful in monkeys for movement of ear pinna.