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Seeds. Definition  A propagation organ formed in the sexual reproduction cycle of gymnosperms and angiosperms  Consists of:  Protective coat enclosing-

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Presentation on theme: "Seeds. Definition  A propagation organ formed in the sexual reproduction cycle of gymnosperms and angiosperms  Consists of:  Protective coat enclosing-"— Presentation transcript:

1 Seeds

2 Definition  A propagation organ formed in the sexual reproduction cycle of gymnosperms and angiosperms  Consists of:  Protective coat enclosing-  Embryo  Food reserves

3 Dispersal Mechanisms  Animal  Water  Wind http://www2.bgfl.org/bgfl2/custom/resources_ftp/client_ftp/ks2/scie nce/plants_pt2/dispersal.htm

4 Parts of a Seed

5  Seed coat: protective covering  Hilum: A scar on the seed coat indicates the place where the seed was attached to the fruit or ovary of its parent plant  Micropyle: tiny opening in the seed coat where pollen entered the seed and caused it to mature http://youtu.be/P6asGePMzxo

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7 http://www.biologie.uni- hamburg.de/b- online/wind/plfeb99.htm

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