A trait that may be co-opted for a new function, such as bird feathers, is called a(n)
A) adaptation.
B) complex adaptation.
C) exaptation.
D) polytomy.

Question

Quizplus · Accepted Answer

Exaptation refers to a trait that originally evolved for one purpose but later came to serve another. Bird feathers are a classic example, having evolved initially for temperature regulation and later being co-opted for flight.

A Trait That May Be Co-Opted for a New Function