cell, tissue, organ, organism cell, organ, tissue, organism tissue, cell, organ, organism tissue, organ, cell, organism
I gave my students this multiple choice question: In living organisms, the level of organization from least complex to most complex is

Only one answer is correct among these 4 choices:
- cell, tissue, organ, organism
- cell, organ, tissue, organism
- tissue, cell, organ, organism
- tissue, organ, cell, organism

Could you tell me which one is correct?

cell, tissue, organ, organism