A)five long dexterous digits on hands and feet.
B)three-dimensional binocular vision.
C)well-developed brain.
D)opposable thumb.
E)rapid postnatal maturation.

A)Allows the hands to be free for tool use.
B)Enables an adult to carry an offspring easier.
C)Would have allowed males to forage for food more efficiently.
D)Would allow the individual to spot danger further away.
E)All of these are advantages of bipedalism.

A)lemurs.
B)baboons.
C)gibbons.
D)All of the answer choices are correct.
E)No answer choice is correct.