Which Animal Is Unicellular?

Which Animal Is Unicellular? Some of the examples of unicellular organisms are Amoeba, Euglena, Paramecium, Plasmodium, Salmonella, Protozoans, Fungi, and Algae, etc. Are single celled organisms animals? Plants and animals are defined as being multicellular. Are there any animals that are unicellular? Unicellular organisms are made up of only a single cell. There are millions