Fact 1: Populations of viruses do not grow through cell division because they are not cells.

Fact 2: Mitosis is cell division.

Given the two facts above, answer the question "Which of the following do not grow using mitosis?" with the following options: 
- skin cells
 - genus
 - fungi
 - lung cells
 - blood cells
 - parasites
 - viruses
 - bacteria


 

       viruses  