APES CrossWord Puzzle

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Across
  1. 2. The variety of life in the world or in a particular habitat or ecosystem
  2. 3. Convert waste into reusable material
  3. 5. The branch of biology that deals with the relations of organisms to one another and to their physical surroundings
  4. 7. A large naturally occurring community of flora and fauna occupying a major habitat
  5. 9. Water sliding off land
  6. 10. Atmosphere close to the ground
  7. 13. Variety
  8. 15. A change or the process of change by which an organism becomes better suited to its environment
  9. 17. Animals that consume dead organisms
  10. 18. A substance used for destroying insects or other organisms harmful to plants or to animals
  11. 20. A person or thing that eats or uses something
  12. 22. To use something more than once
  13. 23. A glass building in which plants are grown that need protection from cold weather
Down
  1. 1. The envelope of gases surrounding the earth or another planet
  2. 4. A region with particular prevailing weather conditions
  3. 6. Slow-moving dense bodies of ice
  4. 8. A chemical or substance added to soil or to increase its fertility
  5. 9. Not depleted when used
  6. 11. When something is supportable
  7. 12. Most abundant gas in the atmosphere
  8. 14. Species that can harm an environment
  9. 16. The total mass of organisms in a given area or volume
  10. 18. The presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects.
  11. 19. A community where animals interact with their environment
  12. 21. Risk of extinction