Stimulus and Response

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Across
  1. 1. the turning of all or part of an organism in a particular direction in response to an external stimulus
  2. 4. a plant’s response to light
  3. 5. become smaller, fewer, less; 7 letter word
  4. 7. a plant responding to touch
  5. 9. end of the experiment
  6. 10. become smaller, fewer, less; 8 letter word
  7. 11. response of plant roots to water
  8. 13. somethings that cause a response in an organism, plural
  9. 14. something that cause a response in an organism, singular
  10. 16. something added to soil to increase plant’s ability to grow
  11. 17. from within the organism
Down
  1. 2. plants using sunlight to make food
  2. 3. an organism’s tendency, preference to remain stable, the same
  3. 6. grow in amount, size
  4. 7. force within the cell that pushes against the cell wall, 2 words (no spaces)
  5. 8. the response of plant roots growing downward
  6. 12. an experiment multiplying organisms in a laboratory, 2 words (no spaces)
  7. 15. from outside the organism