Across
- 4. a green pigment in chloroplast that absorbs light
- 6. energy moves from one place to another
- 7. a plant organelle where photosynthesis takes place
- 10. tropism where the stimulus is touch
- 13. tropism where the stimulus is gravity
- 14. control gas exchange in the leaf of a plant
Down
- 1. tropism where the stimulus is water
- 2. _________, sunlight and carbon dioxide are reactants of photosynthesis
- 3. energy carried by a heat flow
- 5. tropism where the stimulus is light
- 8. a type of plant hormone
- 9. energy changes from one form to another
- 11. one of the products in photosynthesis
- 12. a plant response or growth in relation to a stimulus