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Plant structures
Ch3 L3
| Term | Definition |
|---|---|
| What are the 3 functions of roots? | Absorbing water and nutrients from the soil. Anchoring and supporting the plant. Storing food and nutrients. Some roots also synthesize plant growth regulators |
| What are the 2 functions of stems? | support and elevation of leaves, fruits, and flowers. |
| What are the functions of leaves? | Guttation Storage Defense |
| What are the three basic parts of a seed? | Seed coat, Embryo, Endosperm |
| What are the three ways a seed can be dispersed? | Wind, water, or animals |
| Know and be able to label the structures of a flower. | Calyx, corolla, androecium, and gynoecium |
| What does each part of the flower do? | Anther: Produces pollen (male part). Stigma: Sticky part at the top of the female part of a flower. Ovary: Contains seeds. Sepals: Green parts below the petals that protect flower buds. Petals: Colorful parts that attract pollinating insects. |
| Stomata | Small opening on the underside of a leaf through which oxygen, water, and carbon dioxide can move |
| transpiration | the process by which water is lost through a plant's leaves |
| embryo | the young organism that develops from a zygote |
| germination | the sprouting of the embryo out of a seed; occurs when the embryo resumes its growth following dormancy |
| flower | the reproductive structure of an angiosperm |
| pollination | the transfer of pollen from male reproductive structures to female reproductive structures in plants |
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