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

Fact 2: Influenza viruses change often.

Given the two facts above, answer the question "What does not grow through cell division?" with the following options: 
- bacteria
 - gorillas
 - ducks
 - fungi
 - bushes
 - humans
 - Leptospirosis
 - influenza


 

        influenza 