Answer:
Explanation: Animals play an important role in the carbon cycle in the following ways:
1. Plants absorb carbon from the environment in photosynthesis and return it in respiration.
2. Animal obtain their carbon by eating plants; they release carbon in respiration.
3. Microorganisms return carbon to the environment when they decompose dead plants and animals.
4. Burning fossil fuels increases carbon dioxide in air and deforestation uptake of carbon dioxide by plants.
The animals liberate carbon dioxide gas during the respiration process which becomes the part of the carbon cycle.
Hence, respiratory release of carbon dioxide gas and biological degradation of organic matter are the two chief roles of animals in contribution to carbon cycle.
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