What signs were formed in Australopithecus in connection with living in open spaces of savanna biogeocenoses?

The growth of Australopithecus ranged from one meter to one and a half. Characteristically, the brain size was about 350-550 cm3, that is, like in modern gorillas and chimpanzees. For comparison, the brain of a modern person has a volume of about 1200-1500 cm3. The brain structure of Australopithecus was very primitive.

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