Increased cranial capacity is the most defining trait of Homo Sapiens. Although incisors and canines were frequently around the same size as those of Homo erectus, ancient Homo sapiens had smaller brow ridges, a less projecting face, and slightly smaller teeth than Homo erectus.
Old-growth Homo sapiens (morphology) The majority of paleoanthropologists concur that H. sapiens and H. erectus are separate species. erectus served as the immediate ancestor of subsequent species, including as Homo sapiens. Louis Leakey vigorously contended that populations of Homo erectus, particularly those in Africa, overlap with more modern Homo sapiens and cannot therefore be related to the latter. They can walk on two legs because of their erect stance. They have similar limb features and a well-developed postcranial skeleton. Their teeth seem more like those of hominins than apes. They are both smart.
The range of modern humans' brain sizes, 1,200 to 1,400 cubic centimeters, was shared by archaic people. Archaics differ from anatomically modern humans in that they have a thick skull and a prominent.
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