why do only animals require a digestive system ?
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Answer:
They are multicellular animals.
Explanation:
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Animals require digestive system because
Explaination.
With the help of this macromolecules in food is converted to micro molecules and simple absorable state.
They help in break down of protein into peptones and amino acids.
They help in break down of big fat molecules into fatty acids and glycerol.
These food are absorbed into body with the help of digestive system.
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