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

question 30

Multiple Choice

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