- A yeast cell is a kind of single cell organism
- A single-cell organism can survive without the help of other cells
- So, a yeast cell can survive without the help of other cells

So, a yeast cell can survive without the help of other cells
Which cell can survive without the help of other cells?
- A yeast cell is a kind of single cell organism 
- A single-cell organism can survive without the help of other cells