Please enable JavaScript.

Coggle requires JavaScript to display documents.

origins of humanity - Coggle Diagram

- - - - Year of appearance:
        
        They appeared around 4 million years ago.
        
        Characteristics:
        
        There were around six species of them.
        
        They were not able to speak like us, their brain was no bigger than that of a chimpanzee.
        
        They did not have stone tools
        
        They were bipedal, that is, they walked on both
        
        legs.
        
        They lived a million years but became extinct.
    - - Year of appearance:
        
        200,000 years ago
        
        Characteristics:
        
        Their brain was big, from 1,400 cc capacity.
        
        The earliest Homo sapiens had bodies with short, slender trunks and long limbs
        
        They improved the already existing tools.
        
        They worked on groups and built traps to hunt animals
        
        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
    - - Year of appearance:
        
        Half a million years after the appearance of Homo Habilis
        
        Characteristics:
        
        Homo erectus had a brain size approaching that of modern humans.
        
        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.
        
        They communicated with clicks of the tongue and interjections.
        
        They had was control over fire.
        
        They could not light it, but they took it from the fires (caused by lightning in the savannahs
    - - Year of appearance:
        
        They appeared around two million years ago
        
        Characteristics:
        
        They had a brain that was already half of ours
        
        Their hands had the opposite thumb to the other fingers, they could grasp better.
        
        They invented simple tools of stone, of bone
        
        (scrapers and knives).
        
        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