Plant Tropisms

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Across
  1. 2. a push or pull that can change the motion of an object
  2. 4. a change in an objects position
  3. 5. the growth or movement of a plant toward or away from a stimulus
  4. 7. the tendency of roots to grow downward.
  5. 9. a turning movement by a plant in response to touch
  6. 10. the force of water molecules against the cell wall that allows plants to stand up straight
  7. 12. a growth response to light
Down
  1. 1. the tendency of plant stems to grow upwards
  2. 3. the beginning of seed growth
  3. 6. an action or condition that provokes a response
  4. 8. a growth in response to gravity
  5. 11. a growth in response to water
  6. 13. a change in a system resulting from a stimulus