OPT:
1). Veins and arteries.
2). insects and viruses
3). cells and viruses
4). birds and rocks
5). all eukaryotes
6). sensory neurons
7). animals
8). mammals
Given those answer options, answer the question: Fact 1: All cells share some of the same structures and basic functions. Fact 2: First, a eukaryote is a cell with a nucleus. Given the two facts above, what shares some of the same structures and basic functions?
A:
5).