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Yes, unicellular organisms are typically micro-sized, as they consist of a single cell and are often measured in micrometers. Examples include bacteria, archaea, and some protists, which are generally too small to be seen without a microscope. Their size allows them to efficiently perform all necessary life processes within a single cell. However, some unicellular organisms can be relatively large, such as certain species of algae.

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4w ago

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Explain why unicellular organisms are often called micro organisms?

because they are very tiny organisms only seen by a microscope.


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Unicellular protists, also known as micro-organisms, need oxygen to survive. They obtain oxygen by diffusing it across the cell membrane into the cell.


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


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


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Unicellular organisms are often called microorganisms because they are too small to be seen with the naked eye and require a microscope to be viewed. They are typically measured in micrometers or nanometers in size. These microorganisms include bacteria, archaea, protists, and some fungi.


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.