Answer:
As the outer layer of your skin separates your body from its environment, the cell membrane (also known as the plasma membrane) separates the inner contents of a cell from its exterior environment. This cell membrane provides a protective barrier around the cell and regulates which materials can pass in or out.
Explanation:
The Nucleolus helps function the cell.
Answer:
A. Division of labor.
Add-on:
i hope this helped at all.
Well, they could be scavengers or it could be bacteria and fungi.