You are presented with the question "What are not cells?" and the following answer choices: 
- red blood cells
 - white blood cells
 - remains of prehistoric life
 - Something coming from a gland
 - They may not survive.
 - prokaryotes
 - influenza orthomyxoviruses
 - microorganisms

Now knowing that viruses are not cells and influenza viruses are classified as orthomyxoviruses, choose the best answer.


 

       influenza orthomyxoviruses  