Across
- 3. An animal that lives in water and has gills
- 5. The first zone in the ocean, 200 meters deep
- 7. the fourth zone of the ocean where not even light can reach the area
- 9. A big fish with sharp teeth
- 12. The deepest part of the ocean
- 13. The land next to the ocean
Down
- 1. The deep, dark part of the ocean
- 2. The middle layer with little light
- 4. The main subject of the book, it’s in the title
- 6. A body of water partly surrounded by land
- 8. A smaller part of the ocean
- 10. A place in the ocean where corals and fish live
- 11. An inland body of water
- 14. A large body of water
