What is the Difference between Unicellular and Multicellular Organisms
The life is present in every possible form and size that a human can imagine. From microscopic objects to the biggest mammals, life is explored studied and on the basis of this study, advancements have been made. The study has shown that the life is even in the form of a single cell; cell the basic building block of every living being. A single living cell, different in nature than the multi-cell body, is the proof of the diversity and complexity of life.
Unicellular Organisms
Unicellular living objects are the living beings with single cell. The most common examples of living cells are bacteria and archea. They are called prokaryotes because the cell in them is prokaryotic in nature. They don’t have nuclei and they don’t have cell membrane. This makes their life simple. The prokaryotes cannot live in multi environments because of the limitations posed to them by nature. They are so small that they are only visible by microscope, that’s why they are called microscopic living beings.
Multi-cellular Organisms
Multi-cellular organisms are those, who constitute in them more than one cell. They are called eukaryotes because the cells found in them are the complex cells along with membrane and nuclei. As their name suggests, they have multiple cells so they can vary in sizes too. Plants, humans, as well as some microscopic organisms called Myxozoa are also multi-cellular. These organisms can adopt different environments and their lives are complex and completely different from prokaryotes.
Unicellular vs Multi-cellular Organisms
The apparent difference between the two is their nature and way of survival. Unicellular organisms have only one cell, and the cell too is not complex in functioning. Unicellular cells cannot adopt different environments; they have this ability that they can live for longer period of times. These cells are called prokaryotes. On the other hand, multi-cellular cells are called eukaryotes. They have complex living structures. They can grow in varying sizes from microscope size to giant dinosaurs size.
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