Mechanisms of Seed Dispersal


Animals bury seeds cont’d



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Mechanisms of Seed Dispersal

Animals bury seeds cont’d

  • Squirrels bury oak acorns and sometimes forget where they buried them, thus planting a tree far away from the parent plant.
  • natzoo.si.edu/Animals/.../ UrbanNatureWatch/Watches

Animals bury seeds cont’d

  • Blue Jays also bury acorns. They usually remember where they bury them, but at times they bury more than they need. This leaves some acorns in the ground, which may eventually sprout.

Wind Dispersal

  • Small, hard, dry fruits are often dispersed by wind. Some plants have seeds within fruits acting as kites or propellers that aid in wind dispersal.
  • Seed dispersal from the Common Milkweed (Asclepias syriaca), North America. Leroy Simon / Visuals Unlimited

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