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Seeds. Definition. A propagation organ formed in the sexual reproduction cycle of gymnosperms and angiosperms Consists of: Protective coat enclosing- Embryo Food reserves. Dispersal Mechanisms. Animal Water Wind.
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Definition • A propagation organ formed in the sexual reproduction cycle of gymnosperms and angiosperms • Consists of: • Protective coat enclosing- • Embryo • Food reserves
Dispersal Mechanisms • Animal • Water • Wind http://www2.bgfl.org/bgfl2/custom/resources_ftp/client_ftp/ks2/science/plants_pt2/dispersal.htm
Parts of a Seed • 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
http://www.biologie.uni-hamburg.de/b-online/wind/plfeb99.htm