Chapter 1 Vocabulary

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Across
  1. 2. process in cells that cause oxygen and glucose to produce energy and carbon dioxide
  2. 4. precipitation that is more acidic than normal rain water
  3. 9. a source of energy formed from dead plants and animals
  4. 11. Another name for LIVING Organisms
  5. 13. pollution released into the atmosphere
  6. 14. the process that gathers precipitation into a body of water
  7. 15. plant that hosts nitrogen-fixing bacteria in nodules on its roots
Down
  1. 1. conversion of nitrogen in the atmosphere to a form that can be used by plants
  2. 3. process that releases nitrogen from soil back into the atmosphere
  3. 5. Precipitation that flows over the surface of soil
  4. 6. brown smog produced when air pollutants react with sunlight
  5. 7. Another name for NON LIVING organisms
  6. 8. process in which plants convert light, water, and carbon dioxide into sugars
  7. 10. what prcoess cycles chemical elements through the living and nonliving parts of an ecosystem
  8. 12. a swelling on a plant root that contains nitrogen-fixing bacteria