Across
- 3. a cell that develops into a new organism; mosses and ferns reproduce with spores
- 7. the process by which green plants make food (a sugar called glucose) from carbon dioxide and water using the energy produced when light is absorbed by chlorophyll
- 9. the transfer of pollen grains from the stamen to the pistil
- 13. the part of a plant containing a plant embryo
- 14. to make offspring
- 16. period of suspended life processes brought on by changes in the environment
- 17. a living thing that grows on Earth, in water, or on other plants, usually has a stem, leaves, roots and flowers, and produces seeds.
- 18. the entire male reproductive part of the flower that produces pollen
Down
- 1. the part of the plant that makes most of the food for the plant to survive
- 2. the green coloring in plants that traps energy from the sun and is needed by plants for making food
- 4. seed bearing plants with flowers. A flower is the part of the plant where seeds form.
- 5. a gas that is given off by plants and used by animals
- 6. powdery substance produced in the stamen. It contains the male germ cell.
- 7. the entire female reproductive structure of a flower; it contains egg cells
- 8. the part of a plant that takes the nutrients and water from the roots to the rest of the plant. Stems also hold the plant up so that the leaves can get sunlight.
- 10. mineral or organic material on the immediate surface of the Earth that serves as a natural medium for the growth of land plants.
- 11. the outer part of a flower that surrounds and protects the flower bud before it opens
- 12. plants that make seeds inside a cone (evergreens)
- 15. the structure that holds the plant in the ground. Roots provide the plant with water and nutrients that have dissolved in the water and soil.