Biosphere - Nitrogen Cycle, Microorganisms, Atmosphere

nitrogen cycle  Nitrogen cycle, circulation of nitrogen in various forms through nature Nitrogen, a component of proteins and nucleic acids, is essential to life on Earth  Nitrogen changes forms throughout the process and from the atmosphere to the soil to organisms and back again There are five stages of the nitrogen cycle

When an organism excretes waste or dies, the nitrogen in its tissues is in the form of organic nitrogen Various fungi and prokaryotes Nitrogen transforms into several different forms in the 4 steps of the nitrogen cycle

Nitrogen undergoes transformations in the soil depending on the chemical composition of the The Nitrogen Cycle is carried out by thousands of 'Nitrifying' bacteria that live and grow in the biological media of the aquarium filter These bacteria take