Question

unicellular organism differ from multicellular organism. why?​

Answer 1

unicellular organisms are those which have a single cell

and

multicellular are those with more than a single cell

this is the reason

follow me please

mate

Answer 2

The main reason is that unicellular consist of only one cell.For example bacteria and amoeba

Multicellular organisms consist of more than on cell. For example chlamydomonas

Unicellular are smaller than multicellular