Across
- 2. an animal that eats mostly plants
- 5. animals that have hair or fur and feed milk to their babies
- 6. body parts that help fish breathe underwater
- 8. animals that do not have a backbone
- 10. an animal whose body temperature changes with its surroundings
- 11. animals with feathers wings and beaks
Down
- 1. animals that have a backbone
- 3. animals that live part of their lives in water and part on land
- 4. an animal that eats mostly meat
- 7. animals with scales that usually lay eggs
- 9. to change in order to survive
