New World monkeys are the only anthropoids that
A. have rough patches of skin on the buttocks.
B. exhibit sexual dimorphism.
C. have prehensile tails.
D. are capable of brachiation.
E. have orthograde posture.
Question 2
Which of the following statements about orangutans is true?
A. The large size of the orangutan protects it from extinction.
B. Orangutans are the most sociable primates.
C. As is typical of arboreal species, the orangutan exhibits little sexual dimorphism.
D. Orangutans are less arboreal than gorillas.
E. Orangutans used to live over much of Asia but now are found only on two islands in Indonesia.
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