Vestigial structures retain previous physiology that is
A) adaptive but not functional.
B) both adaptive and functional.
C) neither adaptive nor functional.
D) not adaptive but is functional.

Question

Quizplus · Accepted Answer

Vestigial structures are remnants of structures that were once functional in evolutionary ancestors, but are no longer necessary or functional in the current organism. Therefore, they are neither adaptive nor functional in their current form.

Vestigial Structures Retain Previous Physiology That Is