Answer:
b) Cells work to keep the organism alive.
Step-by-step explanation:
Complete question and options:
Which best describes the main job of most cells in multicellular organisms?
a) Cells work to keep themselves alive
b) Cells work to keep the organism alive
c) Cells work to release needed materials
d) Cells work to store unneeded materials.
Multicellular organisms, as the name states, are those who are composed of multiple cells, for example: humans, mammals, arthropods, etc.
In these organisms, cells work together to maintain a balance to keep the whole organism alive. They achieve this by diving the work between different types of cells, which have a specific role, also known as specialization.