In primates, females usually provide far more parental investment than males. Why?
A) Primates are mammals, and in mammals, females lactate and males do not.
B) Primate males have other responsibilities, including defending territories, so females must always provide most parental investment.
C) Primates require a great deal of parental investment, and females are genetically better at providing parental investment.
D) Sexual selection is unable to operate on female mammals.

Question

Quizplus · Accepted Answer

One key difference between male and female mammals is that females are able to lactate and nurse their offspring. This provides a significant amount of parental investment that males are unable to provide. Primates are mammals, so this difference applies to them as well. Therefore, females usually provide far more parental investment than males in primates.

In Primates, Females Usually Provide Far More Parental Investment Than