Sunday 1 January 2012

DEFINE IMPORTANCE OF CYANOBACTERIA?

IMPORTANCE OF CYANOBACTERIA(BLUE GREEN ALGAE) 
                      They are capab;e of making organic compound from water and carbon dioxide.
                      They flourished and change the world by releasing O2 as by-product of their                
                      photosynthesis.
                      Many are capable to fix atmospheric nitrogen,and this together with their ability
                     to photosynthesis means that their natural requirements are simple(mainly co2 and 
                    nitrogen from the air plus some material) for this reason they are often first colonisers 
                    of moist soil                    
                  

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