Across
- 3. Without _____ plants grow tall and spindly
- 5. Auxin diffuses backwards from the _____
- 6. A response is carried out by an _______
- 7. Geotropism is response to ________
- 8. ___________ can detect a change
- 10. Roots are ______ geotropic
- 11. Plants respond to _______
Down
- 1. __________ is response to light
- 2. Auxin ________ growth in the roots
- 4. Shoots are Negatively ________
- 7. Auxin stimulates _____ in the shoots
- 9. The plant hormone is _______