AP BIOLOGY

Detailed explanation-1: -Wisdom teeth, Male nipples, coccyx (the tailbone) are all vestigial organs in humans. Nictitating membrane, body hair, appendix, pinna are few more examples of vestigial organs.

Detailed explanation-2: -Called “vestigial structures", these things no longer retain a specific purpose but remind us of where we’ve come from. One example is the tailbone – known as the coccyx.

Detailed explanation-3: -In humans, the appendix is a good example of a vestigial organ. This non-functioning organ eventually degenerates, shrinking in size and disappearing ultimately.

Detailed explanation-4: -The tail bone of humans is an example of a vestigial structure. A vestigial structure is a structure that has no function in an organism.

Detailed explanation-5: -Tail bone in mammals is vestigial while other animals use their tails for balance, when humans began to walk, the tail became useless and evolved into the coccyx (united vertebrae).