In nonhuman primates, the hormonally initiated period of sexual receptivity is
a. called sexual dimorphism.
b. called sexual reciprocity.
c. typical of males.
d. called estrus.
e. called adaptive radiation.
Question 2
Sexual dimorphism
a. refers to differences between adults and adolescents with regard to sexual behavior.
b. is particularly pronounced in all primate species.
c. refers to differences between the sexes with regard to features such as body size.
d. is more common in arboreal species.
e. has not been observed in ANY monkey.
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