Across
- 4. Jawless fish
- 5. Vertebrates
- 6. Chordates that live in and out of water
- 8. Give birth to undeveloped young
- 9. Snails, slugs, oysters and mussels
- 10. Snakes, crocodiles, and lizards
- 12. Lay eggs
- 13. Birds
Down
- 1. Type of mammal; seals, dingoes, and horses
- 2. Bony Fish
- 3. Sharks and Stingrays
- 7. Warm blooded
- 11. Largest animal phylum