Answer:
Paramecium, euglena, amoeba, chlamydomonas
Step-by-step explanation:
Unicellular organisms are those organisms whose bodies are made up of single cells only. In other words, their body is made up of the simplest functional unit of living organisms according to the cell theory - the cell. Within the single cell are organelles with specific functions that constitute the basic characteristics of living things.
Examples of unicellular organisms include paramecium, euglena, amoeba, chlamydomonas, etc.