Question

Some birds have greatly reduced wings and do not fly and some snakes have remnants of hindlimbs even though they do not use them. These are examples of __________________ structures.

Answer 1

Answer: Vestigial

Step-by-step explanation:

Structures that have no apparent function and appear to be residual parts from a past ancestor are called vestigial structures. Examples of vestigial structures include the human appendix, the pelvic bone of a snake, and the wings of flightless birds.