biosphere crossword

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Across
  1. 4. what is done in a habitat
  2. 8. a group of different species living or growing together
  3. 10. preying of one animal on another
  4. 11. a relationship between two organisms
  5. 12. the process of forming energy in living organisms
  6. 16. the natural home of an organism
  7. 19. a nonliving feature in an ecosystem
  8. 20. species the first species to colonize a new or undisturbed land
  9. 21. where one organism benefits and the other one suffers
  10. 23. the process of a body of water becoming nutrient rich
  11. 24. where one organism benefits and the other is unaffected
  12. 25. the process of one ecological community gradually changing into another
  13. 28. the regions of the earth that organisms can live in
  14. 30. a product that is formed as the result of a chemical reaction
  15. 31. an organism that eats both plants and animals
Down
  1. 1. a substance that takes part and undergoes change during a reaction
  2. 2. all the organisms of the same species that live in the same area at the same time
  3. 3. capacity the number of living organism a region can support
  4. 5. an organism that only eats meat
  5. 6. where both organisms benefit
  6. 7. a community of interacting organism and their physical environment
  7. 9. factor anything that restricts the size of the population
  8. 13. the process of how plants produce food from the sun
  9. 14. a group of similar organisms consisting of similar genes
  10. 15. a living feature in an ecosystem
  11. 17. an organism that only eats plants
  12. 18. adjusting to new conditions
  13. 22. a large naturally occurring community of plants and animals
  14. 26. an organism that feeds on corpses of plants or animals
  15. 27. something that eats other organisms
  16. 29. something that makes their own food