Jinan version of Biology "Evolution of Mankind" ppt Nengren (1.9 to 1.6 million years ago, East Africa): Nengren was discovered in the Oduwe Valley in northwest Tanzania in 1960. Noble people, like Mrs. Ludor, belong to the most primitive human level. The skull is thin and the tail crest is not obvious. Nengren's name means "smart person", and their average brain volume is 637 milliliters, which is higher than that of the human ancestor Australopithecus.
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