APES Crossword Puzzle Review :)

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Across
  1. 2. variety of species in an ecosystem
  2. 4. is a mineral used in insolation that causes respiratory issues
  3. 6. degrading of land due to human actions
  4. 8. nitrates into nitrogen gas
  5. 11. makes its own food
  6. 12. is the build-up of pollutants or a substance up a food chain
  7. 13. comes from natural and replenishable resources
  8. 18. a species that does not belong
  9. 20. humans lions and whales
  10. 21. finest soil
  11. 22. a layer of soil
  12. 24. outermost shell of the atmosphere
Down
  1. 1. living
  2. 3. exceeds carrying capacity
  3. 5. a type of species that serves as a warning for a damaged ecosystem
  4. 7. deposit at the mouth of a river (triangle)
  5. 9. produces glucose from CO2 and water
  6. 10. benefits one not the other
  7. 14. gaseous mass surrounding the Earth
  8. 15. is a widespread source of pollution
  9. 16. preys on others
  10. 17. types of plates that move away from each other
  11. 19. status of an organism within its community
  12. 23. day to day variation in temp, precipitation, air pressure etc
  13. 25. a group of organisms that interact in an environment
  14. 26. hides from others