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  • bacteria
  • rickettsia
  • unicellular fungi (e.g. yeasts)
  • viruses but they have no cellular structure
  • viroids
  • prions (misfolded proteins)
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11y ago

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Related Questions

What diseases cause unicellular organism?

Diseases do not cause unicellular organisms; unicellular organisms cause diseases.


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unicellular


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The scientific term for unicellular organisms is "unicellular organisms" or "unicellular organisms."


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The main groups of unicellular organisms are bacteria, protozoa, unicellular algae, and unicellular fungi or yeasts. And some can become disease-causing agents, also known as pathogens.


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Most of the unicellular organisms reproduces asexually.


What organism is unicellular and prokaryotic?

All prokaryotic organisms are unicellular. Eukaryotic organisms are multicellular


What disadvantages do Unicellular organisms have when compared to Multicellular organisms?

Colonies of unicellular organisms can work together.


Are unicellular organisms primitive?

Yew , unicellular organisms are more primitive as compared to multicellular organisms .


Did unicellular or multicellular organisms evolve first?

Unicellular organisms evolved first; and from them evolved the multicellular organisms. But that leads onto another question as to why multicellular organisms evolved.


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Euglena are unicellular organisms. They are microscopic, single-celled organisms that are often found in freshwater environments.


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