Question

What do we call the degenerated or partially developed useless organs in living organisms? Enlist such organs in human body? How the same organs are useful in other animals?

Answer 1

vestigial organs like appendix which forms tail in dogs

Answer 2

Degenerated or partially developed useless organs are called vestigial organs.

- Wisdom tooth, Appendix, Body hairs, Coccyx, are some vestigial organs in

human body.

- Coccyx supports the tail in other animals. Body hairs protect form cold.