|1. Organisms made of a single cell are said to be unicellular.||1. Organisms made of more than one cell/cell types are said to be multicellular.|
2. All the functions are performed by a single cell.
2. Different cells are specialized to perform specific functions.
3. They are usually microscopic (small) and are less complex.
|3. They are large and more complex.|
|E.g: amoeba||E.g: plants, animals etc.|