have more than one type of cell. be exposed to sunlight. have at least one cell. be able to move.
I gave my students this multiple choice question: In order to carry out the functions of life, organisms must

Only one answer is correct among these 4 choices:
- have more than one type of cell.
- be exposed to sunlight.
- have at least one cell.
- be able to move.

Could you tell me which one is correct?

have at least one cell.