Describe the carbon dioxide can cycle
Answers
● Plants use carbon dioxide present in the atmosphere in the process of photosynthesis. They use carbon dioxide to produce their own food and instead release oxygen in the atmosphere.
● Humans and animals take up oxygen from atmosphere and release carbon dioxide in the atmosphere.
● Various human activities also release carbon dioxide in the atmosphere.
● Dead and decaying matter is also responsible for releasing carbon dioxide in the atmosphere.
● When animals die their remains become fossil fuels after decades which is a form of carbon.
● Carbon present in the atmosphere is utilised in ocean for formation of limestones, etc.
This is the complete carbon cycle summarised into points.
Answer:
✺Carbon Dioxide is used by plants for photosynthesis.
✺During this process CO2 is converted to Glucose .
✺Some amount of this Glucose is used for respiration by plant.
✺Rest of it converted to other carbohydrates and fats stored in various parts of plants.
✺When animals eats plants these carbon containing compounds are taken up by the animals and digested and absorbed.
✺These are used by animals for respiration.
✺Thus carbon in carbon dioxides in atmosphere find its way into animals.
✺Metabollic degradation of these compounds especially during respiration, releases the CO2 into air.
✺Decomposition of dead bodies of animals and plants by bacteria also releases CO2 into air.
✺Thus the CO2 find its own way into the bodies of animals and plants and back to air.
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