Environmental Cross boiii Puzzle

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Across
  1. 2. An underground layer of rock or sand that holds water.
  2. 6. The variety of plant and animal life in a habitat or on Earth.
  3. 8. The blanket of gases surrounding the Earth.
  4. 9. substance or thing that has harmful or poisonous effects on the environment.
  5. 10. Energy from sources that replenish naturally, such as solar or wind.
  6. 14. Energy source (coal, oil, natural gas) derived from ancient organic matter.
  7. 15. The lowest layer of the atmosphere, where weather occurs.
  8. 16. a symbiotic relationship where one benifits and the other is harmed.
  9. 19. the practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
  10. 20. The careful management and protection of natural resources.
Down
  1. 1. The specific physical place where a particular population lives.
  2. 3. Nonliving parts of an organism’s environment, such as air, temperature, and soil.
  3. 4. a symbiotic relationship where one organism benefits and the other is neither harmed or benifited.
  4. 5. a change in global or regional climate patterns
  5. 7. Any part of an ecosystem that is living or used to be living.
  6. 11. A community of organisms interacting with their physical environment.
  7. 12. The removal of trees or clearing of forests.
  8. 13. The regions of Earth where living organisms exist.
  9. 17. a symbiotic relationship where both organisms benifit.
  10. 18. A major ecological community characterized by a specific climate and plant/animal life.