Plant use carbon dioxide for photosynthesis, a process that produces chemical energy for an ecosystem. When plants die decomposers break down their parts and release some carbon as carbon dioxide back into the atmosphere.
An ecosystem may be defined as the place or an area where organisms of different species live together and interact with one another for the purpose of food, shelter, and space.
Carbon dioxide is the reactant of photosynthesis that plants require along with water in the presence of sunlight.
After the death of the plant tissue, the decomposers which are the form of microorganisms break down their parts and release some carbon as carbon dioxide back into the atmosphere.
In this way, the carbon cycle proceeds in the atmosphere with respect to plants.
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