Across
- 3. a growth in response to gravity
- 8. a push or pull that can change the motion of an object
- 10. the tendency of a plant stem to grow upward
- 11. a turning movement by a plant in response to touch
- 12. a plant or tree grow from a seed
Down
- 1. a growth in response to water
- 2. a change in a system resulting from a stimulus
- 4. the force of water molecules against the cell wall that allows plants to stand up straight
- 5. the tendency of plants to grow downward
- 6. a growth response to light
- 7. The growth or movement of a plant toward or away from a stimulus
- 9. a change in an object's position