Thursday, February 23, 2017

origins of fire


  • homo erectus 1.z million hearth fire pits 
  • lower paleolithic ( ston age) 
  • older woman 
  • control fire 
  • natural occurance ( lightning, metor impacts) 
  • use of fire 
  • heat treat tools 
  • used for cooking 
  • used to keep warm 
  • modern uses 
  • changes in evolution 
  • smaller jaws 
  • saller teeth 
  • softer food 
  • smaller gut 

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