50: The oldest stone tools made by our hominin ancestors date to about how long ago?
A) 5.1 million years ago
B) 3.3 million years ago
C) 2.5 million years ago
D) 1 million years ago
Correct Answer:
Verified
Q45: Australopithecus africanus dates to how long ago:
A)
Q46: Australopithecus africanus brain size is comparable to
Q47: The teeth of Australopithecus africanus exhibit a
Q48: Australopithecus robustus dates to about what time
Q49: A significant feature of the period from
Q51: 51: The key discovery made at the
Q52: The earliest specimens of Homo habilis date
Q53: The most significant behavioral distinction that can
Q54: Compared to the australopithecines, the Homo habilis
Q55: Fossil hand anatomy suggested that:
A) Homo habilis
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