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Question
Which ancestor of man exhibited bipedal locomotion for the first time?
Options:
A .  Cro - Magnon man
B .  Australopithecus
C .  Homo erectus
D .  Ramapithecus
Answer: Option B
:
B
Australopithecus was the first human ancestor to exhibit bipedalism. This revolutionary change freed the forelimbs i.e., arms and hands for grasping objects such as food and perhaps young ones. They could also look around for food and predators more easily, and were also able to run away from huge carnivores lurking around them.

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