Across
- 2. The gas produced by the process of photosynthesis
- 3. A Plant's reaction to the forces of the Earth
- 5. The way a plant responds to a force in its environment
- 7. The force of water contained within a plant cell
- 8. A green substance that makes photosynthesis possible
- 10. Where water is stored within a plant cell
- 13. When a plant moves in the direction of a stimulus
- 14. A plant's reaction to a source of light
- 15. When a plant moves away from a stimulus
- 16. Any change that warrants a reaction of some kind
Down
- 1. A plant's response to contact with another object
- 4. The sugar produced in the process of photosynthesis
- 6. The location where photosynthesis occurs within a plant
- 9. A plant's reaction to moisture
- 11. The process by which plants create their own food from radiant energy
- 12. The compound required for all life
