Question

What are the major groups of microorganisms?

Answer 1

Microorganisms are small organisms that cannot be seen with naked eyes. Major groups of microorganisms are bacteria, viruses, fungi, protozoa, and algae.

• Bacteria are prokaryotic, unicellular organisms while viruses are acellular.
• Fungi are the saprophytic microbes that feed on dead organic matter.
• Protozoans are single-celled eukaryotic mostly aquatic organisms.
• Algae are chlorophyll-containing photosynthetic eukaryotic single to multiple celled organisms.