Across
- 4. The tissue that helps transport water and nutrients throughout a plant
- 8. Plants that can live for more than two growing seasons
- 9. A plant's response to the number of hours of darkness in its environment
- 12. Plants that complete their life cycle in two growing seasons
- 13. What causes plants to grow toward or away from light
- 14. Flowering plants are also called
- 15. The response of a plant to touch
- 18. The process in which plants make their own food
- 19. Plants that reproduce by spores
Down
- 1. The most common plant pigment
- 2. Type of cells plants are made of
- 3. Plants whose seeds are produced in cones
- 5. Plants that grow, flower, and produce seeds in one growing season are called
- 6. The organelle where photosynthesis takes place
- 7. The fancy name for nonvascular seedless plants
- 10. The response of a plant to gravity
- 11. The female reproductive organ in a flower
- 16. Photosynthesis is important because it provides this to humans
- 17. Cellular respiration is important because without it we would not have
- 19. The male reproductive organ in a flower