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Adolescent females who participate in activities such as ballet are at risk for eating disorders
(a) Male competition can be fierce. (b) This male baboon has bite wounds suffered in competition wit
Although males tend to be larger than females, the two overlap significantly in size. The size of a
Young adults increase in self-esteem between the ages of 18 and 25, according to this longitudinal s
Frequency of X-Linked Recessive Traits in Males and Females
Continuous Variation in Height (Males)