Giraffe Evolution

Giraffe Evolution
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Storyboard Text

  • Millions of years ago, there were 2 types of giraffes. Short neck and Long neck. 
  • As the environment changes the only leaves available were high up in the trees. 
  • I'm so lonely, I have no one to mate with! :(
  • As the leaves were up so high only the long neck giraffes could reach them, not the short neck giraffes. 
  • Short neck giraffes were not receiving enough food and started to die out, due to natural selection.  
  • As the short neck giraffes died out, their were less and less available for reproduction. 
  • Long neck giraffes successfully attracted more females are were able to reproduce
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