Question

What
are
micro-organism?​

Answer 1

Answer:

A microorganism is a living thing that is too small to be seen with the naked eye. Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite.

Explanation:

Answer 2

Micro organisms are not visible by naked eyes since they are very small they can be seen through microscope

They are five major group

1 bacteria

2 virus

3 fungi

4 protozoa

5 algae