Microorganisms-Friends and Foe Notes

• They are a group of animal-like, single-celled organisms.
• They are eukaryotic organisms like Amoeba, Paramoecium, Euglena etc.

Paramoecium

• They are a group of simple plants because they can synthesize their own food.

• They are unicellular, eukaryotic organisms which live in colonies. Chlorella, Chlamydomonas, spirogyra and diatoms are examples of microscopic algae

• Another category of microorganisms is Viruses.
• They are neither living nor non-living, hence comes at the border line of living and non living organisms.  

Virus under Microscope: