- A single-celled organism is a kind of living thing
- All living things eliminate waste
- A multicellular organism is a kind of living thing
- So, both multicelluar organism and singe-cell organism eliminate waste

- Both multicelluar organism and singe-cell organism eliminate waste
- Eliminating waste means getting rid of waste materials
- Hence, both multicelluar organism and singe-cell organism can get rid of waste materials

Hence, both multicelluar organism and singe-cell organism can get rid of waste materials
Q: Which characteristic do single-celled organisms and multicellular organisms have in common?
Context:
- A single-celled organism is a kind of living thing 
- All living things eliminate waste 
- A multicellular organism is a kind of living thing 
- Eliminating waste means getting rid of waste materials