Viruses are not cells at all, so they are neither prokaryotes nor eukaryotes, and viruses Viruses Viruses are simple units which invade cells. Given these facts, what are simple units which are neither prokaryotes nor eukaryotes among the following options:
- ferns
 - viruses
 - barnacles
 - plants
 - bushes
 - fungi
 - insects
 - animals


 

  viruses       