Open Ocean

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Across
  1. 5. animals who live in this zone never see sunlight
  2. 7. one of the main producers in the open ocean
  3. 12. one of the most important nutrients
  4. 13. harmful for animals to ingest
  5. 14. keystone species in the open ocean
  6. 15. ruining local fish stocks
Down
  1. 1. area away from the coastal boundaries and above seabed
  2. 2. largest animal in this ecosystem
  3. 3. the percentage of air the oceans produces for us to breathe
  4. 4. smallest organism in this ecosystem
  5. 6. absorbs solar energy to be used by animals
  6. 8. harmful for animals to get stuck in or consume
  7. 9. the percentage of ocean that covers Earth
  8. 10. the percentage of ocean explored
  9. 11. ultimate source of energy