Chapter 1

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Across
  1. 4. False visual perception
  2. 5. Vision using one eye only
  3. 7. Receptor that detects light
  4. 8. organ or cell that carries out the response
  5. 11. Movement not dependent on stimulus direction
  6. 13. the organisms reaction to a stimulus
  7. 15. vision using both eyes for depth perception
  8. 17. Plant growth response to touch
  9. 18. main pathway for signals between brain and body
Down
  1. 1. Plant growth response toward water
  2. 2. Action controlled by will
  3. 3. nerves outside the brain and spinal cord
  4. 6. something that triggers a reaction
  5. 9. Rapid automatic action not under consious thought
  6. 10. Two-channel sound system (gives a 3D audio effect)
  7. 12. a structure or agent that prodices an effect, sometimes used interchangeably with effector
  8. 14. Plant growth response to gravity
  9. 16. sense organs for taste