The geographical region where flora, fauna and other microorganism resides with each other depending on some factors along with abiotic factors and bio geological cycles is called an ecosystem.
Carbon and nitrogen cycles provide the material organisms need to build their bodies.
What is carbon and nitrogen cycles?
- The carbon cycle is a biogeochemical cycle that ensures the circulation of the organic and inorganic carbon compounds in the atmosphere and the biosphere.
- The nitrogen cycle is also the cycle that ensures the flow of nitrogen and its compounds in the layers of the Earth needed for the various processes.
- The cycle ensures the movement of the compounds and the elements within both the biotic and abiotic factors of the ecosystem.
Therefore, option B is correct.
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