Question

please tell me the answer​

Answer 1

Answer:

The organ which have no function in present day but that function in past called vetigial organ.

e.g-appendix ,hair etc.

Answer 2

Answer:

Degenerated or underdeveloped useless organs of organisms are called vestigial organs.

vestigial organs in human body are appendix, ear pinna, tailbone, wisdom teeth.

appendix which is useless to human is useful and fully functional organ in ruminants.

similarly muscles of ear pinna which useless to human are useful for monkeys.