Ocean Zones

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