Which process do the animals in the food web use to convert energy from food into atp

If you're talking about the life process of turning food into energy for cells then respiration

Answer: Cellular respiration

Explanation:

Cellular respiration can be defined as one of the most important mechanism of the living organism by which the energy from the food is converted in the firm which can be used by the body.

The cells can use energy only in the form of adenosine tri phosphate. So, the glucose that is present in the body is converted into adenosine triphosphate in the cell organelle called mitochondria.

Hence, this form of energy is used by the body for various metabolic processes.