NEET BIOLOGY

Detailed explanation-1: -Organisms capable of autotrophic metabolism assimilate inorganic carbon into organic carbon. They form an integral part of ecosystems by making an otherwise unavailable form of carbon available to other organisms, a central component of the global carbon cycle.

Detailed explanation-2: -Autotrophs are organisms that play a major role in the carbon cycle by removing carbon from the atmosphere and using it to make food that will be eaten by other organisms. Carbon is an element that makes up the macromolecules inside living organisms such as proteins, carbohydrates, lipids and nucleic acids.

Detailed explanation-3: -Photosynthesis removes carbon dioxide naturally-and trees are especially good at storing carbon removed from the atmosphere by photosynthesis.

Detailed explanation-4: -Photosynthesis removes CO2 from the atmosphere and replaces it with O2. Respiration takes O2 from the atmosphere and replaces it with CO2.