Unit 3 Test Extra Credit

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Across
  1. 3. when a plant grows towards the light
  2. 8. a plant's response to stimulus
  3. 10. when a plant doesn't have enough water it has ________ turgor pressure
  4. 11. a leaf is what level of organization
  5. 13. the amount of this is what causes the plant to wilt or stand straight
  6. 15. how a plant reacts to a stimulus
  7. 17. when roots grow down due to gravity
  8. 18. a root tip is what level of organization
Down
  1. 1. response of a plant to low turgor pressure
  2. 2. the amount of pressure on a plant's cell wall due to the water inside of the cell
  3. 4. when a plant has plenty of water it has ________ turgor pressure
  4. 5. something that causes an organism to react
  5. 6. a seed is what level of organization
  6. 7. stimulus of phototropism
  7. 9. a root system is what level of organization
  8. 12. cell organelle that stores water, waste, and food
  9. 14. stimulus of geotropism
  10. 16. the water inside the seed must put _________ in order for the seedling to break out