You are presented with the question "Populations of viruses do not grow through division because they are what?" and the following answer choices: 
- reproduce
 - homogenous
 - negative
 - dangerous
 - Loose
 - parasites
 - complex
 - fungi

Now knowing that populations of viruses do not grow through cell division because they are not cells and viruses are parasites of cells, choose the best answer.


 

      parasites   