Tuesday, April 26, 2011

2.81 Phototropism

2.81 Phototropism
http://www.youtube.com/watch?v=tE4XMg4Y_d4


  • Positive phototropism - Growth towards the light
  • Lateral light - Light that shines on the side of the plant
  • Causes the plant to bend towards it
  • Hormone causes it to bend towards the light
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