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...Outside in when you look at a seed what are actually seeing is the coat performs much of same work that your own it provides protection against entry parasites protects mechanical injury some seeds buffers unfavorably high or low temperatures stops germination until right time would happen if failed fall parts inside an embryo protected immature plant with all adult close looks shows leaves and roots albeit very small called plumules sheathed by cotyledon embryonic radicles stem hypocotyl filled nourishment for new this source nutrition endosperm first step absorption water lot activates enzymes stimulate growth these break down starches into sugars can be used energy deciding factor whether not germinates available cell division...