2 ч 42 мин, 23 авг 4000000 г. до нашей эры - Australopithecus

Описание:

Fact 1: They could use tools but couldn't make them themselves
Fact 2: They were vegetarians
Fact 3: They had the ability to start walking on two legs

Claim: Their brains weren't fully developed as the human brain because the skull is closer to the size of a chimpanzee skull more than a human skull. Chimpanzee skulls have smaller skulls so their brains must have been small while the human skulls are larger which means they have a bigger brain.

Migration Path: They didn't leave Ethiopia

Source 1: http://www.columbia.edu/itc/anthropology/v1007/2002projects/web/australopithecus/austro.html

Source 2:
http://humanorigins.si.edu/evidence/human-fossils/species/australopithecus-afarensis

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