You are presented with the question "What shares some of the same structures and basic functions?" and the following answer choices: 
- Veins and arteries.
 - insects and viruses
 - cells and viruses
 - birds and rocks
 - all eukaryotes
 - sensory neurons
 - animals
 - mammals

Now knowing that all cells share some of the same structures and basic functions and first, a eukaryote is a cell with a nucleus, choose the best answer.


 

     all eukaryotes    