Microbes are categorized based on their characteristics such as size, shape, cell wall, nutrition, and reproduction. Types of microbes include bacteria, viruses, fungi, and yeast. Bacteria are unicellular with diverse shapes and sizes found in many environments. Viruses are infectious agents requiring host cells. Fungi absorb nutrients and are unicellular or multicellular. Yeast is a type of fungus that is widely used in various industries and has been an important component of human diets for thousands of years. Use this template to identify and address Microbes in your business and improve your operations.