Question

Why are microorganisms hardy how does it help them

Answer 1

Answer:

They are so hardy because they form a hard outer covering called cyst around themselves. They do this when conditions are not favourable, such as under extreme conditions of temperature and dryness.

Answer 2

Answer:

Micro-organisms and their activities are vitally important to virtually all processes on Earth. ... These microbes play key roles in nutrient cycling, biodegradation/biodeterioration, climate change, food spoilage, the cause and control of disease, and biotechnology.