Question

Anthropologists believe that one selective pressure for the evolution of bipedalism was that walking on two feet is more energy efficient than walking on four feet.

Answer 1

It is true that Anthropologists believe that one selective pressure for the evolution of bipedalism was that walking on two feet is more energy efficient than walking on four feet.

The advantages

Bipedalism authorized hominids to free their arms totally, enabling them to make and use mechanisms efficiently, stretch for fruit in trees and utilize their hands for social display and transmission.

Which of the following is a disadvantage to the development of bipedalism?

Bipedalism has placed a burden on humans' circulatory systems, which are needed to pump blood from the heart to the head and the feet. One consequence of this overworking of the circulatory system is swelling, or varicose, veins.

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