It seems like there might be a few typographical errors or misunderstandings in your question. It appears you're asking about unicellular organisms and their functions.
Unicellular organisms carry out all the functions of life, such as:
- Metabolism: They obtain and use energy from their environment.
- Growth: They can grow and increase in size.
- Reproduction: They can reproduce, often asexually, producing offspring.
- Response to stimuli: They respond to environmental changes.
- Homeostasis: They maintain a stable internal environment.
If you mean to ask which functions unicellular organisms perform, the correct answer would be that they carry out all of life's functions as a single cell.
If you meant something else, or if you are looking for more specific functions or examples, please clarify!