Tuesday, April 26, 2011

3.4 Plant Fertilisation

3.4 Plant Fertilisation
http://www.youtube.com/watch?v=8Ya_D-9qGmU&feature=related

  • Pollen germinates / creates pollen tube 
  •  Pollen tube leads to ovary
  • Pollen nucleus  fertilizes egg
  •  Pollen nucleus + Ovule = Zygote 
  • Outside ovule - testa seed coat
  • Cotylectons  - Food stores for seedling
  • Fruit - wall of the ovary / carpel 

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