Alack of diversity in a population could possibly cause
a large population
a population with many different traits
extinction
population growth

C extinction because they need diversity to reproduce 

Cell division is important to single celled organisms because it allows the cells to reproduce. through cell division, cells make exact copies of themselves. when single celled organisms go through cell division, they make exact copies of themselves which is how they reproduce.

If the experiment was perfomed more then once and you get the same results