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Single-celled organisms lack specialized organs and systems to support a larger size efficiently. They rely on diffusion for nutrient exchange and waste removal, limiting their size due to surface area-to-volume constraints. Without complex structures like circulatory and respiratory systems, they struggle to maintain internal balance in larger sizes.

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Are all bacteria singled-celled organisms?

No, not all bacteria are single-celled organisms. Some bacteria can exist in multicellular forms, such as in colonies or filaments. However, the majority of bacterial species are indeed single-celled organisms.


Why couldn't there be a real single-celled organism as large as the blob in the movie?

Because it is too big to be single celled. Multicelluar is a different question. The monster in The Blob is never determined to be single celled or mulitcelled; the film just doesn't address it. The original story, before the film, actually described it as a mineral.


What are the differences between single-celled organisms?

well i know that multi cellular organisms have a much more complecated structure and process but a single cellular organism has a process called the cellular resportary syestem and this works well but mostly on small single celled organisms becasue if you had a large organisms the size or dogs then by the time the oxygen from the H2O would get to the nuclei the paramecium or what ever organism you are specifying it would die that is why single celled organisms are so small...size matters


Is a Stentor Multicellular or Unicellular?

Stentor is a multicellular organism. It is a type of protist that is composed of a large, single-celled body with complex internal structures that enable it to perform various functions within the organism.


What is a cell you do not need a microscope to see?

Amoeba are single-celled organisms which are very often large enough to see with the naked eye, and are sometimes as large as grapes.As the term "single-celled organism" implies, the entire creature is in fact one cell.an eukaroytic cell

Related Questions

Are all bacteria singled-celled organisms?

No, not all bacteria are single-celled organisms. Some bacteria can exist in multicellular forms, such as in colonies or filaments. However, the majority of bacterial species are indeed single-celled organisms.


Why couldn't there be a real single-celled organism as large as the blob in the movie?

Because it is too big to be single celled. Multicelluar is a different question. The monster in The Blob is never determined to be single celled or mulitcelled; the film just doesn't address it. The original story, before the film, actually described it as a mineral.


Are insects unicellular?

Yes. A single celled organism is comprised or one single cell. Any protist is an example of a single celled organism. Since insects are comprised of more than one cell, they are multicellular organisms.


What are the differences between single-celled organisms?

well i know that multi cellular organisms have a much more complecated structure and process but a single cellular organism has a process called the cellular resportary syestem and this works well but mostly on small single celled organisms becasue if you had a large organisms the size or dogs then by the time the oxygen from the H2O would get to the nuclei the paramecium or what ever organism you are specifying it would die that is why single celled organisms are so small...size matters


What is an example of a large unicellular organism?

An example of a large unicellular organism is the xenophyophore, a deep-sea protist that can reach sizes of up to 20 centimeters in diameter. Xenophyophores are single-celled organisms that form intricate structures on the ocean floor.


Do mollusks have an organ system?

Some, but not all. An organism is any living thing, and since that comprises everything from the very large to the very small (such as single celled organisms), there is not a simple yes-no answer.


How are diatoms and kelp different from each other?

diatoms are single celled algae. Kelps are large and are many celled algae.


Is a dog single celled or multiple cells?

There are no single-celled organisms large enough for you to actually see with your naked eye. All animals you can see are multiple cells.


Single celled autotroph cell wall aquatic cause blooms in polluted waters?

The organism in question is likely a type of algae, specifically a cyanobacteria. They are single-celled autotrophs that have a cell wall, and when present in large quantities in polluted waters, they can cause harmful algal blooms due to their rapid growth and proliferation.


What problem would you have if you stayed the same size but were a single-celled organism?

Nutrient supply! The surface area of a single cell the size of a human would be large enough to supply it volume. Remeber volume = 3/4 pi R^3


Meaning of phylum protozoa?

Any of a large group of single-celled, usually microscopic, eukaryotic organisms, such as amoebas, ciliates, flagellates, and sporozoans.A protozoa is a single-celled parasitic organism, that only divides within a host organism.


Which are present only in plants cells?

Plant cells have a cell wall to give them a regular shape and protect the cell, a large vacuole which contains water, and contain chloroplasts for photosynthesis. Some of these features can also be found it single celled organism.