Across
- 1. Animal hair covering
- 2. Bird mouthpart
- 3. Reach maturity
- 5. Freedom from harm
- 8. Threat to life
- 9. Become different
- 10. Rear body part
- 11. Grind food
- 12. Inhaled air
- 14. Sharp curved nail
- 15. Move food inward
- 17. Fish breathing organs
Down
- 1. Bird covering
- 4. Flight structure
- 5. Stay alive
- 6. Swimming structure
- 7. Defend from harm
- 8. Break down food
- 13. Pulse rhythm
- 16. Air breathing organs