Across
- 2. Auditory signal
- 4. Recovery state
- 6. Capacity to do work
- 7. Movement
- 11. Life-based element
- 13. Flavor sense
- 15. Quick responses
- 18. Group of similar cells
- 19. Natural living place
- 20. Reproducing population
Down
- 1. Group of organs
- 3. Gas for respiration
- 5. Organisms and environment
- 8. Physical sense
- 9. Individual living thing
- 10. Body position
- 12. Functional biomolecule
- 14. Visual sense
- 16. Odor sense
- 17. Body stability