Environmental Crossword Puzzle

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Across
  1. 2. The part of Earth where all life exists
  2. 4. Living parts of an ecosystem
  3. 7. A warm, dense forest with high rainfall
  4. 8. A cold, treeless biome with permafrost
  5. 11. Evergreen tree that produces cones
  6. 12. Originating naturally in a particular place
  7. 14. Any individual living thing
  8. 15. Biome dominated by grasses
  9. 17. A very dry region with little precipitation
  10. 18. Non-living parts of an ecosystem
  11. 19. A graph showing monthly temperature and precipitation
  12. 20. A cold, coniferous forest biome
Down
  1. 1. Rain, snow, sleet, or hail that falls to the ground
  2. 3. All members of the same species living in an area
  3. 5. Different species living and interacting in an area
  4. 6. Marine ecosystem built by tiny animals called coral
  5. 9. Trees that shed their leaves annually
  6. 10. Permanently frozen ground
  7. 13. A community of organisms interacting with their environment
  8. 16. A trait that helps an organism survive in its environment