What new form of thermoregulation had to evolve before bipedal hominids could be successful?
A) warm bloodedness
B) sweating
C) vasioconstriction
D) more blood to head

Question

Quizplus · Accepted Answer

Bipedal hominids would have had greater exposure to heat through the increased surface area of their bodies. Sweat glands would have allowed them to regulate their body temperature more effectively in hot environments.

What New Form of Thermoregulation Had to Evolve Before Bipedal