Although they serve no current functions,vestigial traits may persist in some organisms because
A)the trait is not costly to the organism.
B)natural selection does not act against the trait.
C)there is some natural selection against the trait, and it is on its way out-eventually will be lost.
D)All of the above

Question

Quizplus · Accepted Answer

Vestigial traits may persist in some organisms if they are not costly to the organism and natural selection does not act against them. However, there may also be some natural selection against the trait, and it could be on its way out, eventually lost. Therefore, all of the above options are possible reasons why vestigial traits may persist in some organisms.

Although They Serve No Current Functions,vestigial Traits May Persist in Some