Tuesday, April 26, 2011

2.80 Geotropism

2.80 Geotropism
http://www.youtube.com/watch?v=76AWJiVJR1E


  • Geotropic - Geo=Gravity, Tropic=Growth Responses
  • Growth responses to Gravity
  • Negative Geotropism - Growth upwards
  • Positive Geotropism - Growth down
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