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Australopiths Show a Trend Toward Improved Upright Walking, Smaller Teeth

Question 36

Multiple Choice

Australopiths show a trend toward improved upright walking, smaller teeth, and greater hand dexterity. Like other early hominins, they retained a ____.


A) vertically split upper lip
B) skull that opens to the spinal cord at the rear
C) modern human-sized brain
D) chimpanzee-sized brain
E) prehensile tail

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