Nutrient Cycles

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by abateman36
Last updated 1 year ago


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Carbon is the most versatile compound and can be used for almost anything in living organisms and their environment. Most carbon is used by organisms in the form of CO2. The most carbon is present in the atmosphere, soils, fossil fuels, and plant and animal mass. Carbon dioxide is first present in the oxygen and then used by plants for photosynthesis. Those plants are consumed by animals which produce more carbon dioxide through cellular respiration and then depositing them into the ground through decomposition. The burning of fossill fules also emits carbon dioxide into the atmosphere.

Water is the most vital compound needed for organisms to survive. Water is present in the environment as a solid (ice), liquid (water), and a gas (vapor). The majority of water is present in the world's oceans. The rest is in glaciers at the North/South Poles and in rivers and streams. Water enters the atmosphere as precipication. Then, that precipitation goes through the gorund and surrounding organisms like plants and animals. Then the groundwater runs off into the rivers which eventually empty into the ocean. This is where it is evaporated into water vapor and stored in the atmosphere untill there is enough to form rain clouds.

Nutrient Cycles



Phosphorus is major requirement of organisms to make energy through phosphorylating ADP to ATP. Phosphote enters the ecosystem through plants in the form of phosphate (PO4).Phosphorus is mostly obtainable in the soils and sedimentary rock of the ecosystem which in turn is found dissolved in the oceans and organisms in the surrounding environment. The weathering of rocks through precipitation causes phosphorus to enter the soil where it is taken up by plants. It also desolves int othe ground through the consumers of these plants and through the oceans where layers of sedimentary rock pile up and collect.

Nitrogen is essential to living things in the form of proteins, amino acids, and nucleic acids. Organisms see nitrogen in the form of ammonium (NH4)) and nitrate (NO3). The majority of nitrogen is found in the atmosphere. However, there is small amounts of nitrogen present in the soil and living things. Nitrogen-using bacteria are the main movers of nitrogen in the cycle. Nitrogen is fixated to the soil or other compounds by bacteria and is released into the air by some bacteria in a form of anerobic respiration.


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