Nitrogen cycle

The nitrogen cycle: Nitrogen in the atmosphere passes to the ground and there occurs the nitrogen fixation in the bacteria in the root nodules of legumes and in bacteria in soil. Then it takes ammonium and passes to another bacteria that is nitrifying. After that it takes nitrates and there are two options: or it passes to a bacteria that is denitrifying or it can assimilate by plants,in the first option the cycle willbegin again and in the second option it will pass to amino acids and proteins in plants and animals,after that it will pass to detritivores and it will turn into ammonium by decomposition.


Information taken from the image (google images) and from biology’s notebook.

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