The nitrogen cycle is a combination
of many things. The first step is the wastes produced by fish. It produces
ammonia and carbon dioxide in the water. The plants then take in that carbon dioxide
and release it to the atmosphere. Nitrosomonas bacteria change ammonia into
nitrite. Next, nitrobacter bacteria change nitrite into nitrate. Finally, plants
and water changes remove the nitrate. The plants, animals, and bacteria play a
major role in this cycle. The animals produce the wastes that are the cause of
this cycle, plus they produce carbon dioxide and take it oxygen. Plants take in
the wastes of ammonia and carbon dioxide, while producing oxygen for the fish
to live. The bacteria are how the ammonia is changed and removed from the
water. If one of these three things were not present, the ecosystem would not
function properly. Without one, the carbon dioxide could be too high. The ammonia could not be removed or nitrite would kill the aquatic life. It is a balance and every part of the cycle is a key factor
in making the environment healthy and working.
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