A) bipedal locomotion
B) decrease in body size
C) increase in brain size
D) uniformity of teeth.
Correct Answer: C
Solution :
: Australopithecus man (the first ape man) is also known as tuang baby. They have been placed in subfamily Australopithecinae. They had combined characters of man and ape. They had brain volume 450-600 cc. About 2 million years ago, after a long million year period of little change, as many as six hominid species evolved in response to climate changes associated with the beginning of the ice age. Two groups developed - the australopithecines, generally smaller brained and not users of tools, and the line that led to genus Homo, larger brained; makers and users of tools.
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