Environmental Science

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Across
  1. 3. an abandoned industrial area
  2. 8. earth system which includes all life
  3. 9. several species together in a location
  4. 11. all members of a species in a location
  5. 13. when all members of a species have died
  6. 14. environment where a species lives
  7. 15. system of communities and their environment
  8. 18. species a species which has lost enough to be under a threshold where it may not recover
  9. 19. vehicle a vehicle with two or more power sources
  10. 20. role played by organism in a community
Down
  1. 1. where all precipitation of an area drains
  2. 2. three oxygen atoms bound
  3. 4. community with its environment
  4. 5. cell a hydrogen fuel system
  5. 6. all members of a species are dead in an area but still exist on Earth
  6. 7. relationship of mutual benefit
  7. 9. planned management to prevent loss
  8. 10. where all prevailing winds carry weather systems
  9. 12. prevention attempting to keep a resource from being contaminated
  10. 16. species a species with more loss than births per year
  11. 17. source when you cannot say exactly where pollution was introduced