Chapter 5 Crossword Puzzle... Donovan Owens

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Across
  1. 2. When the last members of a species die
  2. 4. Damage to a habitat by air,water,and land pollution
  3. 8. Different environmental conditions that occur along the boundaries of an ecosystem
  4. 9. Variety of life in an area
  5. 10. Programs that release organisms into an area where their species once lived in hopes of reestablishing naturally reproducing populations
  6. 13. Nonnative species in an area
  7. 14. Philosophy that promotes letting people use resources in wilderness areas in ways that will not damage the ecosystem
Down
  1. 1. Rain,Sleet,Snow,or Fog with pH below 7
  2. 3. Layer of the atmosphere that helps to protect living organism on earth's surface from damaging dosesof ultraviolet radiation from the sun
  3. 4. Separation of wilderness areas from each other
  4. 5. field of biology that studies methods and implements plans to protect biodiversity
  5. 6. Natural strips of land that allow the migration of organism from one wilderness area to another
  6. 7. When members of a species are held by people in zoos or other conservation facilities
  7. 11. A species in which the number of individulas falls so low that extinction is possible
  8. 12. species that have rapidly decreasing numbers of individuals