b36

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Across
  1. 2. Stress hormone
  2. 4. Pollution cleanup
  3. 7. Touch response
  4. 8. Light growth response
  5. 10. Environmental signal organism
  6. 11. Stem growth hormone
  7. 13. Plant growth regulator
  8. 14. Useful species search
  9. 15. Cell elongation hormone
Down
  1. 1. Night movement
  2. 3. Species protection
  3. 5. Cell division hormone
  4. 6. Pest management
  5. 9. Gravity response
  6. 12. Ripening hormone