Because the foods eaten by animals are often composed largely of macromolecules, animals need to have mechanisms for ) dehydration synthesisb) enzymatic hydrolysisc) regurgitationd) demineralization

Animals need to have mechanism of Enzymatic hydrolysis

Explanation:

Food that are eaten by us are broken down inside our body into their monomeric constituents by digestion.Digestion is carried out by various digestive enzymes which helps in the breakdown of ingested food for their proper metabolism.

Enzymatic Hydrolysis of carbohydrate

The enzymes those are involved in the carbohydrate digestion are Alpha amylase,a hydrolytic enzyme that cleaves alpha 1,4 glycosicdic linkage present between the glucose molecules of starch.

Enzymatic hydrolysis of Protein rich food

Pepsin,Trypsin, chymotrypsin ,aminopeptidase,carboxypeptide are involved in protein digestion. These enzymes basically breaks the peptide linkage present between amino acids resulting in the formation of dipeptides and from dipeptide to free amino acids.

Enzymatic  Hydrolysis of Fat

Lipase is an Hydrolytic enzyme that helps in the breakdown of fat into fatty acid and glycerol.

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explanation: