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Nitrogen Cycle
The movement of nitrogen around the biosphere
Nitrogen Fixation
A process by which some organisms can convert nitrogen gas molecules directly into ammonia
Nitrification
The conversion of ammonia (NH4+) into nitrate (NO2-) and then into nitrate (NO3-)
Assimilation
The process by which producers incorporate elements into their tissues
Mineralization
The process by which fungal and bacterial decomposers break down the organic matter found in dead bodies and waste products and convert it into inorganic compounds
Ammonification
The process by which fungal and bacterial decomposers break down the organic nitrogen found in dead bodies and waste products and convert it into inorganic ammonium (NH4+)
Denitrification
The conversion of nitrate (NO3-) in a series of steps into the gases nitrous oxide (N2O) and, eventually, nitrogen gas (N2), which is emitted into the atmosphere