Which advance by a hominid group do you think was the most significant? explain

which advance by a hominid group do you think was the most significant? explain.

Answer:

Bipedalism is an important hominid trait. Walking on 2 legs allows hands & arms to be free to carry food, infants, and to bear sticks, bones, or stones for protection. Significant for the development of family life and eventual dependency upon tools.