1. 24-2 Seed Development and Germination Ch. 24: Reproduction of Seed Plants

2. Dormancy Period of time during which a plant embryo is alive but not growing

3. Germination Early growth stage of a plant embryo

4. Key Concepts As angiosperm seeds mature, the ovary walls thicken to form a fruit that encloses the developing seeds.

5. Key Concepts Seeds dispersed by animals are typically contained in fleshy, nutritious fruits.

6. Key Concepts Seeds dispersed by wind or water are typically lightweight, allowing them to e carried in the air to float on the surface of water.

7. Key Concepts Environmental factors such as temperature and moisture can cause a seed to end dormancy and germinate.