Which sequence represents the correct levels of organizations for multicellular organisms?

Hi! I'm not entirely sure what you mean, but I will answer in the way that I understand the question to be.

From simplest to the most Complex, organisms go:
Cells⇒Tissue⇒Organ⇒Organ System⇒ Organism

Hope I helped! Sorry if the question was not answered correctly. 

Organism, population, community, ecosystem, biosphere