Across
- 3. – Active mainly during the night.
- 5. – Helps animals blend into their environment.
- 8. – Organs fish use to breathe underwater.
- 13. – Toxic substance used for defense or hunting.
- 15. – Thick fat layer for warmth in cold water.
- 16. – Protective outer layer on fish and reptiles.
- 18. – Underground home that offers protection.
- 19. – Seasonal movement to find food or breed.
- 20. – Adapted mouthpart in birds for feeding.
Down
- 1. – Shedding old skin or feathers to grow.
- 2. – A short-term drop in activity and metabolism.
- 4. – Can be used for balance, communication, or defence.
- 6. – Keeps mammals warm by trapping heat.
- 7. – Hard outer body covering in insects and crustaceans.
- 9. – Sharp body parts for defence, like on a porcupine.
- 10. – Deep winter sleep to conserve energy.
- 11. – Type of feet ideal for swimming.
- 12. – Sensory appendages on the heads of insects.
- 14. – Imitating another organism for protection.
- 17. – Sharp tools for catching prey or climbing.