- All living things are made of cells according to the cell theory
- What something is made of is a property of that something
- Hence, a property that all living things has is that they are all made of cells

So, a property that all living things has is that they are all made of cells
A characteristic that all living organisms have in common is they
- All living things are made of cells according to the cell theory 
- What something is made of is a property of that something