marine ecology /JG

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Across
  1. 2. a symbiotic relationship
  2. 4. process of obtaining energy from the sun
  3. 5. non living thing
  4. 8. every organism benefits
  5. 9. where something lives
  6. 11. doesn't eat meat
  7. 13. breaks down dead matter
  8. 14. all food chains in an ecosystem
  9. 17. organisms that eat food
  10. 18. eats secondary consumer
  11. 21. something alive
  12. 23. meat eater
  13. 24. the amount of life in an area
Down
  1. 1. where all life lives
  2. 3. the order of organisms based on diet
  3. 6. a parasitic relationship
  4. 7. eats meat and plants
  5. 10. organisms that make food
  6. 12. eats primary consumer
  7. 15. where life interact and survive
  8. 16. gateway for energy to enter food web
  9. 19. where an organism sits on the food chain
  10. 20. exchange of gases
  11. 22. study of ecosystems