Human females probably evolved the ability to live beyond their reproductive years because
A) women once preferred to mate with men known to come from families with long life spans.
B) the hormones produced by the female reproductive system slow the aging process.
C) the contribution of grandmothers to child rearing increases the survival rate of children.
D) in early human cultures,women who produced children later in life were more likely to survive to raise their children.

Question

Quizplus · Accepted Answer

The contribution of grandmothers to child rearing increases the survival rate of children. Studies have shown that in many traditional societies, grandmothers play an important role in caring for their grandchildren, which in turn increases the survival rate of children. This may have led to the evolution of longer post-reproductive lifespans in human females.

Human Females Probably Evolved the Ability to Live Beyond Their