Question

The earliest hominid fossil, “Lucy," is estimated to be 3.2 million years old. This early

human-like species shares an important characteristic with modern humans: bipedalism.
Which of the following would favor the selection of bipedal posture over walking on all
fours?
Bipedal posture allowed for greater mobility in the tree canopy.
ООО
Bipedal posture allowed arms to be free to develop and use tools.
Bipedal posture allowed for an increase in hominid brain and jaw size.
Bipedal posture allowed a greater number of offspring to be produced in
hominids.

Answer 1

Bipedal posture allowed arms to be free to develop and use tools.

Step-by-step explanation:

Bipedalism favors in the arms to be free

Hope this helps! :)

Answer 2

Answer: Bipedal posture allowed arms to be free to develop and use tools.

Step-by-step explanation: