1 ene 1000000 año aC - Homo erectus

Descripción:

They were built to run long distance. They cared for each other. First to make complex stone tools.

http://humanorigins.si.edu/evidence/human-fossils/species/homo-erectus

https://en.wikipedia.org/wiki/Homo_erectus

There incres in brain size agian from homo habilits was probaly why they were able to make more complex stone tools.

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