Question

What are vestigial structures?

Answer 1

remnant of a structure that may have had an important function in a species' ancestors, but has no clear function in the modern species.

Answer 2

Step-by-step explanation:

Are structures present on modern organisms that serve no purpose.

The vestigial structure are the structures which used to play an important functional role in the body of the ancestor species. But with due to coarse of evolution the structures have been adapted by the descendants but are functionless. These structures are typically in the rudimentary and degenerative condition. Appendix, wisdom tooth and sinuses are the examples of some of the vestigial structures.