Cell Differentiation

When a an organism is a single cell, it has to do all the work itself to stay alive and reproduce.  This means that it has to perform a great many functions all by itself.

On the other hand, if cells can specialise, it means that they can be better at the fewer jobs that they do.  In multicellular organisms, the generalised or generic cells differentiate to specialist cells

Cell differentiation is a process in which a generic cell develops into a specific type of cell in response to specific triggers from the body or the cell itself.        

Cell differentiation allows for:

1. Organisms to get bigger
2. Organisms to be far more active