How do plants and animals help each other in the exchange of gases in the atmosphere?



  • The animals take in oxygen during the process of respiration and give out carbon dioxide.
  • Carbon dioxide is required by the plants to prepare their own food by the process of photosynthesis.
  • During photosynthesis, plants release oxygen which is used by animals.
  • In this way, both plants and animals exchange gases and hence are interdependent on each other.
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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo