According to Figure 23.2 below, the most recent common ancestor of a bird and a turtle is also the most recent common ancestor of a bird and which other group?
A)snake
B)human
C)crocodile
D)frog
E)None of the answer options is correct.

Question

According to Figure 23.2 below, the most recent common ancestor of a bird and a turtle is also the most recent common ancestor of a bird and which other group? 
A)snake 
B)human 
C)crocodile 
D)frog 
E)None of the answer options is correct.

Quizplus · Accepted Answer

According to Figure 23.2, the branch leading to crocodiles diverges from the branch leading to turtles and birds at the same point. Therefore, the most recent common ancestor of a bird and a turtle is also the most recent common ancestor of a bird and a crocodile.