You are presented with the question "what aren't viruses?" and the following answer choices: 
- humans
 - bioaerosols
 - animals
 - insects
 - barnacles
 - homogenous
 - bacteria
 - mammals

Now knowing that viruses are not cells at all, so they are neither prokaryotes nor eukaryotes and prokaryotes All bacteria are prokaryotes, choose the best answer.


 

       bacteria  