Question

What is a microorganism?

a) any living organism

b) any organism of microscopic size

c) any plant-based organism

d) any infectious organism

Answer 1

Microorganisms are living organisms that are generally too small to be seen without a microscope.

Step-by-step explanation:

Microorganisms (or microbes) are living organisms that are generally too small to be seen without a microscope. They include a wide range of organisms, such as bacteria, fungi, viruses, and protozoa. Microorganisms differ from each other not only in size, but also in structure, habitat, metabolism, and many other characteristics.