In physical anthropology, why is it useful to examine sexual dimorphism? a. it determines male and female social hierarchy. b. it varies with the pattern of competition among males. c. it relates to sexual courtship rituals in primates. d. it is the study of sexual intercourse between primates.

I think the right answer is a. it determines male and female social hierarchy. Sexual dimorphism is the study of differences in each sex of the same species. These differences generally determine the hierarchical pattern adopted between the male and female members of the species. Males are usually the largest in many species, such as primates, and tend to have a higher social status.

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