Seed Dispersal

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Seed Dispersal
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What is Seed Dispersal?

• The moving of a plants seed away from the
  parent.
• Why Seed Dispersal?
• To reduce competition

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1. Wind Dispersal

• Seeds are very light
• Shaped so they are easily carried by the wind
• http//www2.bgfl.org/bgfl2/custom/resources_ftp/cl
  ient_ftp/ks2/science/plants_pt2/wind.htm

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2. Explosive

• Fruits suddenly burst open releasing the seeds
• Example Peas
• http//www2.bgfl.org/bgfl2/custom/resources_ftp/cl
  ient_ftp/ks2/science/plants_pt2/bursting.htm

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3. Water

• Fruits are waterproof
• Fruits can float
• Ex Coconuts
• http//www2.bgfl.org/bgfl2/custom/resources_ftp/cl
  ient_ftp/ks2/science/plants_pt2/water2.htm

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4. Hitchhiker

• Seeds have hooks on them and become
  attached to passing animals
• http//www2.bgfl.org/bgfl2/custom/resources_ftp/cl
  ient_ftp/ks2/science/plants_pt2/lift.htm

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5. Animal Food

• Seeds are enclosed in a tasty fruit
• Animals eat the fruit
• Seed passes through unharmed
• Ex Blueberries
• http//www2.bgfl.org/bgfl2/custom/resources_ftp/cl
  ient_ftp/ks2/science/plants_pt2/animal.htm

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Other

• Drop and Roll
• http//www2.bgfl.org/bgfl2/custom/resources_ftp/cl
  ient_ftp/ks2/science/plants_pt2/drop.htm

• Shakers
• http//www2.bgfl.org/bgfl2/custom/resources_ftp/cl
  ient_ftp/ks2/science/plants_pt2/shakers.htm