The seed of a dicotyledonous plant has three main parts:
|Seed coat||a tough protective outer covering|
|Embryo||consisting of the young root and shoot which will develop into the adult plant|
|Food store||a store of food (starch) for the young plant to use until it is large enough to make its own food|
Germination is the start of growth in the seed. Three factors are required for successful germination:
Video: Germination This video demonstrates the ways in which seed germination is affected by environmental factors.
Video: How plants produce seeds
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