Question

Are all microorganism harmful to us?
Exelain?​

Answer 1

Answer:

Some microorganisms are not harmful, in fact, some are quite helpful (like the bacteria that is found in your gut). ... But a majority of them cause a lot of diseases in man and other organisms. Microorganisms include bacteria, algae, fungi, archaea, and protozoa.

Answer 2

Answer:

MARK AS A BRAINLIST

Explanation:

Microscopic creatures—including bacteria, fungi and viruses—can make you ill. But what you may not realize is that trillions of microbes are living in and on your body right now. Most don't harm you at all. In fact, they help you digest food, protect against infection and even maintain your reproductive health.