The bones in the forelimbs of a mammal ____.
A) can often be traced to a common ancestor
B) offer no evidence to support the theory of evolution
C) perform the same function no matter which species they are in
D) may exhibit either analogy or homology but not both when compared to the forelimb of another animal
E) show convergence with some invertebrate structures

Question

The bones in the forelimbs of a mammal ____.
A) ​can often be traced to a common ancestor
B) ​offer no evidence to support the theory of evolution
C) ​perform the same function no matter which species they are in
D) ​may exhibit either analogy or homology but not both when compared to the forelimb of another animal
E) ​show convergence with some invertebrate structures

Quizplus · Accepted Answer

The bones in the forelimbs of a mammal can often be traced to a common ancestor, providing evidence for the theory of evolution. This is because different species with forelimbs that appear vastly different (such as a bat's wing and a human arm) have the same underlying bone structure.

The Bones in the Forelimbs of a Mammal ____