The microscopic world
Discover the 5 main groups of microorganisms : viruses, bacteria, microscopic fungi (yeasts and molds), algae, and protozoa.
When talking about the diversity and the number of living creatures populating the surface of the earth, plants and animals immediately come to mind. But there are small living beings, invisible to the naked eye, which constitute half of the terrestrial biomass. These are the “microworld” inhabitants: the microorganisms.


