A body part that has lost its original function through evolution

Which description provides the best objective summary of the article in the passage?

Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.

Which term specifically refers to an area of the body between a medial and lateral structure