Ecology Crossword

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Across
  1. 3. converts carbon from once living things into a fuel source
  2. 5. individual member of a species
  3. 7. bacteria convert nitrogen in ammonia into atmospheric nitrogen
  4. 8. multiple individuals of the same species
  5. 10. plants capture carbon dioxide to create simple sugars
  6. 14. multiple populations of different species living together
  7. 15. some water seeps from the surface into underground aquifers
  8. 18. represent the movement of matter through an ecosystem
  9. 19. decomposers breakdown carbon from dead things
  10. 20. water rises into atmosphere as vapor from plants
  11. 21. this level recognizes multiple ecosystems
Down
  1. 1. water condenses to form clouds
  2. 2. carbon dioxide released into atmosphere from burning
  3. 4. sun heats liquid water to vapor
  4. 6. liquid water that collects in puddles, lakes, rivers, etc.
  5. 9. bacteria convert nitrogen from waste into ammonia
  6. 11. carbon dioxide released as waste
  7. 12. nitrogen in ammonia is converted into nitrites and nitrates
  8. 13. the study of relationships
  9. 16. bacteria "fix" nitrogen into forms that plants use
  10. 17. water falls to earth as a liquid