Biomes Crossword

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Across
  1. 2. an organism that eats only meat
  2. 3. an organism that can make their own food
  3. 4. a mutually beneficial relationship between organisms
  4. 6. humans breathing out carbon dioxide
  5. 7. essential nutrients to plants used in the nitrogen cycle
  6. 9. an organism that eats only plants
  7. 11. a process plants use to obtain energy
  8. 12. all of the living factors in an ecosystem
  9. 13. a non-native species invading an environment
  10. 15. the change in an organism so it can better survive in an ecosystem
  11. 16. a group of living things and their environment
  12. 17. the part of the land, sea, and atmosphere where organisms are able to live
  13. 19. how water moves throughout an environment
Down
  1. 1. substances that contaminate the air, water, soil of an environment
  2. 3. important nutrients for organisms made of phosphoric acid
  3. 5. a relationship between two organisms where both are harmed
  4. 8. nonliving elements that encourage successful ecosystems to exist
  5. 10. how nitrogen moves throughout an environment
  6. 14. a group of populations living in one area
  7. 18. an organism that eats both plants and animals