Ocean Zones and Ecological levels

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Across
  1. 2. terrestrial region
  2. 3. no light
  3. 4. no light
  4. 9. group of different kinds of species living together
  5. 10. where trenches are found
  6. 12. some light shines here
  7. 13. the Earth
Down
  1. 1. group of same species
  2. 5. 0-200 meters
  3. 6. one species
  4. 7. chemosynthesis begins
  5. 8. group of different kinds of species with physical environment
  6. 11. means light