Nutrition in animals:

• Animals obtain their food from plants or other animals.

The different steps in the process of nutrition in animals are:

• Ingestion: The process of taking food into the body.

• Digestion: The process of breaking down complex food molecules into a simple and soluble from,which can be absorbed and used by the body.

• Absorption: It is the process of uptake of substance by tissue for their utilisation.

• Assimilation: It is a process through which nutrients are incorporated into the cells of the body and are utilised for energy,growth on repair.

• Egestion: It is a process through which undigested food material is eliminated from the body.