biogeochemical cycles n.
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Biogeochemical Cycles - PowerPoint PPT Presentation

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Biogeochemical Cycles
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  1. BioEd Online Biogeochemical Cycles • Cycling of materials between the environment and organisms • Chemical and biological processes • Examples • Water cycle • Nitrogen cycle • Phosphorus cycle • Carbon cycle Plants obtain nitrogen from nitrogen-fixing bacteria and pass it to other organisms through the food chain

  2. BioEd Online Water Cycle

  3. BioEd Online Nitrogen Cycle

  4. BioEd Online Carbon Cycle