The cells in the colony respond to stimuli separately. The cells in the colony are arranged in a specific shape. Some cells in the colony are specialized for reproduction. Cells in the colony are connected by strands of cytoplasm.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which characteristic of a volvox colony makes it more like a multicellular organism than a simple cluster of unicellular organisms?
Possibilities:
- The cells in the colony respond to stimuli separately.
- The cells in the colony are arranged in a specific shape.
- Some cells in the colony are specialized for reproduction.
- Cells in the colony are connected by strands of cytoplasm.

Some cells in the colony are specialized for reproduction.