biosphere crossword

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Across
  1. 2. species plant that is the first to grow in an ecosystem
  2. 4. animal that eats meat
  3. 8. nonliving organism
  4. 10. where an organism lives
  5. 11. breathing
  6. 14. making food from sun water and carbon dioxide
  7. 15. organism that eats other plants or animals
  8. 17. both species benefit
  9. 19. number of organisms of the same species that live in the same place at the same time
  10. 20. an organism eats another organism
  11. 21. plants and animals that live in the same habitat
  12. 24. one organism benefits and the other does not
  13. 25. when a body of water grows to much algae in it
  14. 27. feed on dead organisms
  15. 28. consumed in a chemical reaction
  16. 31. factor the availability of a resource to an organism
Down
  1. 1. region of the earth that is occupied by organisms
  2. 3. animal that eats plants
  3. 5. relationship benefiting both organisms
  4. 6. animal that eats plants and meat
  5. 7. one organism lives in another organism
  6. 9. something that an organism does to survive
  7. 12. group of the same organism
  8. 13. organism that produces its own food
  9. 16. place with abiotic and biotic components
  10. 18. generated in chemical reaction
  11. 22. community of plants and animals that have common characteristics for the place they live in
  12. 23. change in an ecosystem over time
  13. 26. capacity maximum population size of an environment
  14. 29. organism's environment and their job in that environment
  15. 30. living organism