Question

Consider species A, B, and C, who share a knuckle-walking common ancestor. Species A and B are bipedal. Species C is a knuckle walker. Which of the following is most likely to be true?
a. A and B are more closely related to each other than to C.
b. A and C are more closely related to each other than to B.
c. C and B are more closely related to each other than to A.
d. There is not enough information to determine the most likely relationship.

Answer

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