Q. 15.0( 4 Votes )

Write 10 differences between unicellular and multicellular organisms?

Answer :

Unicellular Organisms-

They are simple, minute single-celled organisms


Division of labor is at organelle level


It gives very less efficiency


They do not contain membrane-bound cell organelles


Transportation mechanism is just diffusion


the cell and its organelles are exposed openly


Only visible under the microscope


Asexual Reproduction occurs in them


Sexually reproduce by conjugation


Their life span is very short.


E.g., euglena, amoeba.


Multicellular Organisms-


They are composed of some cells.


Division of labor is at a Higher level, e.g., cells, tissues or organs.s


They provide a high level of efficiency.


They contain membrane-bound it cell organelle like Golgi body, mitochondria.


Transportation occurs through the active and passive mechanism.


The cell is covered by many layered membranes.


Generally visible to the naked eye


Reproduce sexually by producing gametes.


Their life span is comparatively long.


Injury to a single cell does not lead to the whole organism death.


E.g. - animals, plants etc.


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