Ecosystems

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Across
  1. 8. The process of water vapor cooling and forming droplets
  2. 9. The variety of life in an ecosystem
  3. 11. The presence of harmful substances in the environment
  4. 12. The daily conditions of the atmosphere
  5. 13. The process of water turning into vapor
  6. 18. An animal that eats only other animals
  7. 19. The natural home of an organism
  8. 21. An animal that eats only plants
Down
  1. 1. The continuous movement of water on, above, and below Earth
  2. 2. A series of organisms each dependent on the next for food
  3. 3. A community of organisms and their environment
  4. 4. An organism that breaks down dead material
  5. 5. Protecting and preserving natural resources
  6. 6. An organism that makes its own food
  7. 7. The average weather conditions in an area over time
  8. 10. Any form of water that falls from clouds
  9. 14. The process plants use to make food using sunlight
  10. 15. An animal that eats both plants and animals
  11. 16. A trait that helps an organism survive
  12. 17. A system of interconnecting food chains
  13. 20. An organism that eats other organisms