Across
- 3. the smallest unit of an element
- 5. Two or more capital letters
- 6. response to water
- 10. response to touch
- 11. large number before the compound
- 12. response to gravity
Down
- 1. plant response to lack of water
- 2. only one capital letter
- 4. balance of stable internal conditions
- 7. change in internal or external conditions
- 8. plant response to light
- 9. plant growth in response to a stimulus
