An exaptation is a(n)
A) genetic trait that was not selected for the function it currently performs.
B) exception to, or contradiction of, the natural selection mechanism of evolution.
C) genetic trait that was once beneficial but is no longer necessary or useful.
D) particularly fast form of evolutionary change that occurs when the genetic pool is restricted.

Question

Quizplus · Accepted Answer

An exaptation is a feature that originally evolved to serve one function but has been co-opted to serve another. This means it is a genetic trait that was not selected for its current function, fitting the description in choice A.

An Exaptation Is A(n)