Picture Vocab Crossword

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Across
  1. 2. removal of trees/forests
  2. 5. Long-term change in temps on earth
  3. 6. make smart purchasing decisions
  4. 8. use of resources
  5. 9. usage of natural resources that results in depletion
  6. 10. The sum of different forms of life
  7. 11. harmful substance contaminating environment
  8. 12. find ways to use multiple times
  9. 15. amount of energy ultilized
  10. 16. a way of farming and fishing producing food without harming environments
  11. 18. more organisms than ecosystems support
  12. 19. all biotic/abiotic interactions in a region
Down
  1. 1. alien species brought by humans
  2. 3. Changes caused by human activity, which disrupts ecosystems and threatens a species survival
  3. 4. all organisms in a ecosystem
  4. 7. caused by ind. rev.
  5. 13. everything surrounding systems
  6. 14. properly disposing used resources
  7. 17. Cultivating soil, producing crops, raising livestock