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Q: How do unicellular organisms get oxygen?
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How do unicellular get oxygen?

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


Unicellular organisms obtain oxygen and dissolved substances from their surroundings by?

Diffusion and osmosis.


How are unicellular organisms and multicelllular organisms alike?

Cells do the same, or very similar things, whether they are part of a unicellular organism or a multicellular organism; they have a metabolism, they consume nutrients and oxygen, they have waste products, etc.


How do unicellular organisms reproduce?

Most of the unicellular organisms reproduces asexually.


What diseases cause unicellular organism?

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


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 .


Can unicellular organisms breathe using their cell?

If they're not using their cell, I'm not sure what else they would be using. There's only one cell to be used. If you're asking whether there is a "breathing mechanism" within the cell, then the answer is no. Unicellular organisms don't need an extensive respiratory system like multicellular organisms. Moreover, unicellular organisms couldn't "breathe" because no organelle supports such a thing. Instead, unicellular organisms get oxygen just through diffusion. Because unicellular organisms are small, the diffusion of oxygen into the cell is sufficient for cell respiration. In contrast, larger multicellular organisms can't obtain oxygen through diffusion alone because the oxygen couldn't "get" to every cell.


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.


Is a Stentor Multicellular or Unicellular?

Stentors are indeed unicellular organisms.


Do all kingdoms include some unicellular organisms?

Not all kingdoms include unicellular organisms. The kingdoms that do not have unicellular organisms include the plantae and animalia kingdom.


What are the examples of unicellular organisms?

the examples of unicellular organisms are BACTERIA, CHLASMYDAMONAS, EUKARYOTES (EUKARYYOTA).