All cells share some of the same structures and basic functions, and first, a eukaryote is a cell with a nucleus. Given these facts, what shares some of the same structures and basic functions among the following options:
- Veins and arteries.
 - insects and viruses
 - cells and viruses
 - birds and rocks
 - all eukaryotes
 - sensory neurons
 - animals
 - mammals


 

     all eukaryotes    