everywhere. bacteria, for example.
unicellular can live with one cell. Now u know
to get protection
Three differences between unicellular and multicellular organisms is that unicellular organisms are microscopic and can live in extreme temperatures. Multicellular organisms are much larger and have systems and organs.
Unicellular organisms can be found everywhere. But they are mostly known for being able to live in extreme environments such as hot springs, volcanoes, and areas below zero degrees.
Colonies
Archaebacteria
Most of the unicellular organisms reproduces asexually.
Diseases do not cause unicellular organisms; unicellular organisms cause diseases.
Colonies of unicellular organisms can work together.
Yew , unicellular organisms are more primitive as compared to multicellular organisms .
Unicellular organisms evolved first; and from them evolved the multicellular organisms. But that leads onto another question as to why multicellular organisms evolved.
Stentors are indeed unicellular organisms.