Across
- 4. Live on land and on water (10)
- 6. A reptile (5)
- 7. A bird that cannot fly (7)
- 9. Animals who can control their body temperature (4&7)
- 10. Animals with wings (5)
Down
- 1. Invertebrate animals (8)
- 2. Animals who don't have a skeletal structure (13)
- 3. Animals who have a unique skeletal structure (11)
- 5. Small invertebrate animals (7)
- 8. Animals who cannot control their body temperature (4&7)