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Unformatted text preview: A. Seeds: 1. physiologically dormant. . 2. seed coat 3. embryo 4. nutritive tissue: endosperm. B. Major structures of the embryo: COTYLEDONS: embryonic leaves (seed leaves) RADICLE: usually the first organ to emerge from germinating seed => ROOT Seeds vary in how much endosperm they contain at the time of dormancy: C. Germination D. Morphology of seedlings IV. How do plants grow? 1/23/08 2 From simple seedlings to mature trees? 1. Organ number not fixed at germination, organs added continuously throughout the life of the plant 2. What are organs in a plant? Leaves Stems Roots (flowers are composed of leaves modified for reproduction) Axiliary buds form new shoots (branches). 3. New organs are formed by apical meristems....
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- Spring '08