Sexual Selection in Humans

Let’s review two key areas of sex differences between men and women based on the theories we have examined.

Parental Investment

In humans, gestation and lactation are entirely female functions, and parental care tends to be almost all female.

Reproductive Rates

Reproductive rates differ significantly between human males and females. Take a guess at the answers to the following questions, and then click Show Actual Maximum Reproduction Rates to see the answers:

• What is the maximum reproduction of a human female?
• What is the maximum reproduction of a human male?