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The origin of humanity - Coggle Diagram
The origin of humanity
PROCESS OF EVOLUTION
Australopithecus
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They were not able to speak like us, their brain was no bigger than that of a chimpanzee.
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They were bipedal, that is, they walked on both
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Homo habilis
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Their hands had the opposite thumb to the other fingers, they could grasp better.
They invented simple tools of stone, of bone
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They did not speak either, although they emitted different sounds.
They collected fruits, plants, and eggs of the nests.
They hunted birds, mice, and lizards with stones
Homo erectus
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the first human species to have a wide, fleshy nose. The face was flat and the skull had prominent ridges over the brow.
They improved the stone, wood, and bone tools, and started to hunt medium-sized animals (deer, zebras). For example: hand axes, hammers.
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They could not light it, but they took it from the fires (caused by lightning in the savannahs
Homo Sapiens
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Characteristics:
Their brain was big, from 1,400 cc capacity.
The earliest Homo sapiens had bodies with short, slender trunks and long limbs
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Lit fire (by friction, by rotating a rod over a piece of wood)
Developed a language, still very primitive, of few words, but useful for communication. This increased their ability to solve problems