Across
- 2. they feed their babies with milk
- 5. are a sort of mammals
- 6. are clawless fish
- 7. what types are snakes
- 11. the name given to vertebrates
- 14. are a sort of earthworm
- 15. is a bony fish
- 16. Is a biological name for birds
Down
- 1. are a sort of roundworms
- 3. are the largest animal phylum
- 4. are a sort of flatworms
- 8. Sharks and rays belong to the class called
- 9. is like a wombat
- 10. they lay eggs
- 12. They must keep their skin moist
- 13. are members of the second-largest phylum