BIOCHEMICAL CYCLE 11/15 PART 3

BIOCHEMICAL CYCLE 11/15 PART 3

1. CARBON CYCLE

   • ANIMALS GET C FROM PLANTS
     • DECOMPOSES GET C BY DIGESTING DEAD ORGANISMS
       • ALL LIVING BEINGS RELEASE C IN RESPIRATION
       • IF DECOMPOSES ARE ABSENT DEAD PLANT & ANIMALS CONVERT INTO FOSSIL FUELS
         • DURING COMBUSTION FOSSIL FUELS RELEASE C TO ENV
         • MICRO ORGANISMS PLAY A BIG ROLE IN THE C CYCLE. THEY RELEASE C IN DEAD MATTER RAPIDLY
     • PLANTS TAKE C FOR PHOTOSYN

2. NITROGEN CYCLE

   • FIXATION OF ATMOS N 3 STAGES
     • BIOLOGICAL
       • BACTERIA IN SOIL
         • AZOTOBACTER
       • SYMBIOTIC BACTERIA
         • RHIZOBIUM
           • LIVING INSIDE ROOT NODULES OF LEGUMINOUS PLANTS
           • CONVERTS ATMOS N INTO NITRATE (NH4)
       • ATMOSPHERIC
         • DURING LIGHTNING N IS CONVERTED INTO NITRIC OXIDE & NITROGEN DIOXIDE
         • INDUSTRIAL

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