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Noahs ark model

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A scientific model that attempts to explain the origin of modern humans. In this theory, the origin of modern humans is only one and it is the early human predecessors that lived in Africa. Later, they dispersed from Africa to other major parts of the world.



  • Noah's ark hypothesis


  • Recent Single-origin Hypothesis (RSOH)
  • Replacement Hypothesis
  • Recent African Origin model
  • African replacement model