Marine Ecosystems

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Across
  1. 6. the depth at which the salt content changes
  2. 7. eats others
  3. 9. self-feeding
  4. 10. covers 75% of the Earth's surface
  5. 11. CO2 + H2O = C6H12O6 + O2
  6. 13. variety
  7. 15. measure of the salt content of water
  8. 16. inorganic ions necessary for life
Down
  1. 1. repeating process
  2. 2. cells using energy in food
  3. 3. the depth at which the temperature changes
  4. 4. living matter
  5. 5. plays an important role in an ecosystem
  6. 8. superheated water
  7. 12. deep-sea chimney
  8. 14. small, floating marine life