Across
- 2. to sleep during the day and hunt at night
- 6. animals without a backbone
- 8. organs that help animals breathe oxygen on land
- 9. vertebrates with scaly skin that live on land and in water
- 10. to shed skin
- 11. animal that eats both meat and plants
- 12. flaps that help fish swim underwater
- 13. vertebrates that have fur or hair and give live birth
- 14. vertebrates that have wings and feathers
Down
- 1. animal that mainly eats meat
- 3. organs that help animals breathe underwater
- 4. animal that mainly eats plants
- 5. vertebrates with slimy skin and lay eggs
- 7. animals with a backbone
- 12. vertebrates that have gills and live underwater