WHAT IS SEED?
‘’It is ripened ovary that consists of an embryo, stored food supply and having a protective cornering.’’
A seed has three main parts. The embryo consists of the cells that will develop into the structures of the adult plant (root, bud, stalk, and leaf). The cotyledons—one in monocots and gymnosperms and two in dicots—are organs of absorption, drawing food from the seed’s storage tissue. In monocots, this tissue is called the endosperm, and in gymnosperms, the megagametophyte. The cotyledons themselves serve as storage tissue in dicots. The seed coat protects all of these structures from predation, injury, and moisture loss.
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