Across
- 2. This ocean zone is 1000–4000 meters deep and pitch black
- 6. A glowing fish seen in the Twilight Zone
- 7. The top ocean zone where it is bright and warm
- 8. A colorful reef made by tiny sea animals
- 9. The deepest part of the ocean where tube worms live
Down
- 1. Tiny ocean creatures that make half our oxygen
- 3. The second ocean zone with little sunlight
- 4. These cannot grow in the Twilight or Midnight Zones
- 5. A glowing fish with a light on its head