Biology Ch. 16

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Across
  1. 3. a process in which fat-soluble pollutants move from one organism to another
  2. 5. the amount of land necessary to produce and maintain enough food and water, shelter, energy and waste per person
  3. 6. a practice in which natural resources are used and managed in a way that meets current needs without hurting future generations
  4. 7. an organism that was brought to an ecosystem as the result of human actions
  5. 9. a species that can protect other species when it is places on an endangered species list
Down
  1. 1. a species that provides a sign of the quality of the ecosystem's environmental conditions
  2. 2. a type of precipitation produced when pollutants in the water cycle cause rain pH to drop below normal levels
  3. 4. a type of air pollution caused by the interaction of sunlight with pollutants produced by fossil fuel emissions
  4. 8. this occurs when a barrier forms that prevents an organism from accessing its entire home range