Across
- 3. A plant's response to light
- 4. A plant's response to water
- 5. Energy in the form of chemicals/food
- 6. A plant's response to touch
- 7. The internal pressure of plant cells
Down
- 1. One of the products of photosynthesis
- 2. A plant's response to gravity
- 3. The process that plants use to get energy
