Ancient Anthropoids Began to Have Fewer Offspring That Required Longer

Multiple Choice

Ancient anthropoids began to have fewer offspring that required longer and more attentive care. What did this select for?

A) a greater reliance on nuts and tubers
B) pair bonding, which resembles the nuclear family, among 90 percent of present-day anthropoids
C) increased reliance on life in trees, which protected the young from predators
D) a greater capacity for brachiation
E) increased social complexity