Unit 1 Science

3. A plant structure that grows into the soil to support the plant and take in water and nutrients.
5. A powdery material made by stamens.
7. A system of tubes connecting the leaves, stems and roots. The vascular system carries food, water, and nutrients to all parts of a plant.
10. The process in which plants use energy from light to make food.
11. When a male structure and a female structure come together and combine for reproduction.
13. The female part of a flower.
16. A kind of leaf that is stiff, hard, thin, and very sharp.
17. A plant structure that connects the leaves with the roots.

1. A green substance found in leaves and some other structures that captures the energy in sunlight.
2. The tough outer covering of the stems of most trees and many bushes.
4. A sharp, pointy kind of branch or stem that is similar to a spine.
6. The part of a pistil where seeds develop. When the ovary ripens, it becomes the fruit.
8. Making more of the same kind of organism.
9. coneA type of plant reproductive structure that has scales but no petals, stamens, pistils, or ovary.
12. A plant structure where food is usually made.
14. The male structure of a flower. Stamens make pollen for reproduction.
15. A tiny plant reproductive structure that grows into a new moss, fern, or some other plants.
16. A plant structure that contains a tiny baby plant and its supply of food.