As a result of the ecological changes that occurred in the African tropics ~ 6 million years ago, the Hominina moved on to the savanna while chimpanzees and gorillas remained in the forest. One of the early adaptations by Hominina was the evolution of bipedal locomotion. Which of the following is NOT a hypothesis for why bipedal locomotion was favored?
A) Bipedal locomotion was more energetically efficient than knuckle walking.
B) Bipedal locomotion resulted in the evolution of larger brains and language.
C) Bipedal locomotion may have helped hominins keep cool in the direct sunshine of the savanna by reducing exposed body surface area.
D) Bipedal locomotion frees the hands for carrying items and harvesting fruits from small trees.
Correct Answer:
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