Across
- 2. something that causes and organisms to respond
- 4. a push or pull on an object
- 5. how plants respond to the pull of gravity
- 8. how plants respond to water
- 9. how plants respond to light
Down
- 1. how plants respond to touch
- 3. how plants respond to stimulus like touch, gravity, water, and sunlight
- 6. pressure water pressure within a plant cell
- 7. the force that pulls objects toward each other