Unicellular | Multicellular |
Organisms made of a single cell are said to be unicellular. | Organisms made of more than one cell/cell types are said to be multicellular. |
All the functions are performed by a single cell. | Different cells are specialized to perform specific functions. |
They are usually microscopic (small) and are less complex. | They are large and more complex. |
E.g: amoeba | E.g: plants, animals etc. |