Nitrogen cycle and decomposers

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  • Created by: vezting
  • Created on: 23-04-16 17:23
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  • nitrogen cycle
    • decomposing
      • bacteria and fungi involved with decomposing feed sapotrophically
      • 1: the enzymes digest material into small molecules
      • 2: these are then absorbed and are stored or respired to release energy
    • key terms
      • nitrogen fixation: nitrogen is very unreactive in plants it needs to be fixed.
        • lightening, haber, rhizobium (in soil or nodules)
      • nitrification: chemautrophic bacteria absorb amonium ions
      • dentrification: bacteria convert nitrates back into nitrogen gas

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