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  Section: Introduction to Botany » Evolution
 
 
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Human Life

 
     
 
Content
Evolution
  Early Changes in Thought
  Charles Darwin
  The Tenets of Darwinian Theory
  Other Theories of Evolution
  The First Organisms
  Prokaryotic Life
  Eukaryotic Life
  The Emergence of Seed Plants
  Grasses
  Human Life
  Life over Time

At the far right of the geological chart in table 38-1 are two narrow zones, each less than one millimeter wide; these represent the Pleistocene and Holocene periods. Human origins trace to the Pleistocene; Stone-Age cultures and learning to control fire trace to the Holocene.

 
     
 
 
     



     
 
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