They have limbs. They produce their own food. They breathe air. They have at least one cell.
I gave my students this multiple choice question: Which statement about all living organisms is true?

Only one answer is correct among these 4 choices:
- They have limbs.
- They produce their own food.
- They breathe air.
- They have at least one cell.

Could you tell me which one is correct?

They have at least one cell.