seed dispersal

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SEED DISPERSAL. By: Adam, Marcus, Zi Yi, Denise MADZ :D. Different types of seed dispersal. Dispersal by water Dispersal by wind Dispersal by splitting/explosion Dispersal by animals. Dispersal by water. The seeds are encased in a with a fibrous husk - PowerPoint PPT Presentation

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  • By: Adam, Marcus, Zi Yi, DeniseMADZ :D

  • Dispersal by waterDispersal by windDispersal by splitting/explosionDispersal by animalsDifferent types of seed dispersal

  • The seeds are encased in a with a fibrous husk The fibrous husk traps air which helps the fruit to float on water as it is light

    Dispersal by water

  • The seed has a wing-like structures or feathery structures, which are lightweightThe seeds structure allows it to drift away from its parents planthttp://www.youtube.com/watch?v=UYEUoSQXdcE

    Dispersal by wind

  • The seeds can hook onto the fur of passing animals and be carried to other placesThe seeds are light and a hook-like structureAnimals would eat the fruits, swallow the seeds and pass them out as droppingsDispersal by animals

  • Seeds dispersed by splitting often grow in podsThey would split open when ripeThe force would fling the seeds out and scatter themDispersal by splitting/explosion

  • 1)How does the coconut disperse its seeds?Ans: It is dispersed by water2)List 3 seeds dispersed by wind.Ans: Angsana, dandelion, African tulip3)When will the seeds split open?Ans: When they are ripe.Quiz time!

  • Sources:www.google.comwww.vtaide.comwww.wikipedia.comwww.youtube.com

    Thanks for listening!