The biosphere is part of the carbon cycle, but what if there were no biosphere? Is the biosphere necessary for the carbon cycle? In 3-5 sentences, explain why or why not. (4 points)

Answer 1

The biosphere plays a crucial role in the carbon cycle by facilitating the exchange of carbon through processes such as photosynthesis and respiration. Without the biosphere, there would be no living organisms to capture atmospheric carbon and convert it into organic forms, disrupting the flow of carbon between the atmosphere, land, and oceans. While abiotic processes like weathering and dissolution can still sequester and release carbon, the dynamic regulation provided by the biosphere is essential for maintaining the balance of carbon in ecosystems. Therefore, the biosphere is not only necessary but vital for a functioning carbon cycle.