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On average, the ratio of carbon to nitrogen is much higher in terrestrial plants than in other major
Key anatomical features of Homo habilis include reduced facial size, a parabolic palate, and some br
Major features of Homo erectus include increased brain size, an angular vault, and cranial superstru
Gradient Flow:Upper air moving from areas of higher pressure to areas of lower pressure undergo ...
Psychologists measure basic memory capacity
Two Models for the Origin of H. sapiens