Test Review (Chapters 11,12,13,17 & 18)

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Across
  1. 1. The world's most abundant fossil fuel
  2. 4. Bats are important ____ species because they maintain plant biodiversity and regenerate forests
  3. 7. The name for a system that produces 2 useful forms of energy from 1 fuel source
  4. 8. Not a pollutant released by the burning of coal
  5. 9. A form of power that has more advantages and fewer disadvantages than any other energy source
  6. 10. A cleaner technology than the use of fossil fuels if no accidents occur
  7. 11. The temporary or permanent removal of large expanses of forest for agriculture or other uses
  8. 12. Sector that consumes the greatest amount of energy in Canada
  9. 14. A species will become endangered if the factors that affect its vulnerability are not changed
  10. 15. An area that has an inner protected core surrounded by two buffer zones
  11. 17. About 40% of the world's proven oil reserves are found in Saudi Arabia and ____
  12. 19. Where sea water and fresh water inflow
  13. 20. We get almost a fifth of our animal protein from marine fish and ____
Down
  1. 1. Removes all trees from an area in a single cutting
  2. 2. Removes all mature trees in an area in two or three cuttings of periods of time
  3. 3. Lists all threatened species throughout the world on their Red Lists
  4. 5. The by-product of burning hydrogen as a fuel
  5. 6. Has a low environmental impact and lasts 20 - 40 years
  6. 10. A species introduced to an area. E.g. Zebra mussels
  7. 13. Locally extinct
  8. 16. Risk of extinction
  9. 18. Has the highest level of energy efficiency