1 ore 1 min, 1 gen 4000000 anni a. C. - Australopithecus (Southern Ape)

Descrizione:

Fact 1: Walked on two legs
Fact 2: Used sticks and other simple tools did not make tools or use stone tools
Fact 3: Smaller brains

Claim 1: Smaller head size means smaller brain size

Claim 2: Smaller forehead means that these relate more to apes than humans

Migration: Did not migrate due to limited food sources

Source 1: http://humanorigins.si.edu/evidence/human-fossils/species/australopithecus-afarensis

Source 2: http://www.columbia.edu/itc/anthropology/v1007/2002projects/web/australopithecus/austro.html

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