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