Tropism Crossword

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Across
  1. 2. Contains chlorophyll and is where photosynthesis takes place
  2. 5. When a cause happens inside an organism
  3. 7. Movement in response to water
  4. 8. The pressure of water inside plant cells
  5. 11. When a cause happens outside an organism
  6. 15. Surrounds cytoplasm of a cell, controls what enters and exits a cell
  7. 17. Something that elicits a response, like a cause
  8. 18. Movement in response in response to touch
Down
  1. 1. Bending or moving in response to gravity
  2. 3. Something that happens because of a stimulus
  3. 4. A specialized structure in a cell that performs a function
  4. 6. Organelle that breaks down nutrients for energy
  5. 9. Motion in a plant due to light
  6. 10. Used for storage, different sizes in plant and animal cells
  7. 12. Gel-like substance that holds organelles in place
  8. 13. Provides support for a plant cell
  9. 14. The cell's control center
  10. 16. The movement of a plant in response to a stimulus