You are presented with the question "The cause of what doesn't grow by cell division?" and the following answer choices: 
- drought
 - Influenza
 - resistance
 - adding heat
 - Leptospirosis
 - fungi
 - bacteria
 - heat produced

Now knowing that populations of viruses do not grow through cell division because they are not cells and influenza is a disease caused by viruses, choose the best answer.


 

  Influenza       