Both have cells with specialized functions for each life process. Both perform all life processes within one cell. Both have a way to get rid of waste materials. Both are able to make food from sunlight.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which characteristic do single-celled organisms and multicellular organisms have in common?
Possibilities:
- Both have cells with specialized functions for each life process.
- Both perform all life processes within one cell.
- Both have a way to get rid of waste materials.
- Both are able to make food from sunlight.

Both have a way to get rid of waste materials.