Characteristics of eukaryotic Eukaryotic microorganism includes protists (protozoa, slime, water molds, algae fungi). Animal- arthropods and helminths. Protist Characteristics • Don’t form tissues • Generally unicellular or unicellular- colonial • Protists are eukaryotes that are not plants, animals, or fungus PROTOZOA Characteristics ? Eukaryotic ? Lack cell wall ? Unicellular Motile, usually by means of cilia, flagella, or pseudopods Needs moist environment, e.g., lakes