IB Geography: Ecosystems and Human Activity: Nutrient Cycles

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    IB Geography: Ecosystems and Human Activity: Nutrient Cycles - Presentation Transcript

    1. Nutrient Cycles
    2.  
    3. Carbon dioxide in atmosphere Carbon in plants Carbon in animals Carbon in dead organic matter Carbon in fossil fuels burning respiration of composers respiration of animals death photosynthesis respiration ingestion / digestion death fossilisation
    4.  
    5. Nitrogen in the atmosphere Nitrogen fixing bacteria Nitrogen compounds in soil Nitrogen compounds in plants Nitrogen Compounds in animals lightening Nitrogen fixation Protein synthesis Digestion Death / excretion Death / nitrification Denitrification by bacteria
    6.  

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