Chapter 1, Problem 18Q

Summary Introduction

To explain:

The influence of microorganisms on human life.

Concept introduction:

Microorganisms are the organisms that are too small and cannot be seen without magnification. There are several categories of microorganisms such as bacteria, viruses, protozoa, fungi, and algae. Microorganisms may be harmful to humans or may be beneficial to humans. Microorganisms may be responsible for a variety of diseases in humans. The disease causing microbes are called as pathogens