APES Crossword Puzzle Review :)

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