Multiple Choice
Which of the five common ancestors,labeled V-Z,has given rise to the greatest number of species,both extant and extinct?
A) V
B) W
C) Both W and Z can be considered to have given rise to the greatest number of extant and extinct species.
D) Both X and Y can be considered to have given rise to the greatest number of extant and extinct species.
Correct Answer:

Verified
Correct Answer:
Verified
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