Directions: Choose the letter of the correct answer. Write your answers on a separate sheet of paper. 1. In what process do animals take in food that provides energy and nutrients? A. assimilation B. digestion C. excretion D. ingestion 2. The process in which digested foods are distributed into different parts of the body cells are A assimilation B. digestion C. excretion D. ingestion 3. What is the process of turning food into smaller molecules with the aid of enzymes? A churning B. mastication C. chemical digestion D. mechanical digestion