Across
- 4. process that converts sugar to photosynthesis into useable energy is called _________ cellular respiration
- 7. the layer of a tree that lies outside the xylem
- 9. the plant's response to the length of time it is exposed to light.
- 11. the study of plants
- 13. flower that tracks the sun's movements
Down
- 1. number of ways that water moves through plants
- 2. the plants' growth response to touch
- 3. chemicals that affect the growth of tissue
- 5. the exiting of water through the stomata of plants
- 6. tissue that prevents a plant from losing water and also prevents harmful substances from entering the plant
- 8. convert the sun's light energy into food during photosynthesis
- 10. contains a stored form of the energy captured from sunlight
- 12. anchor plants, absorb water and dissolve minerals