Examples include amoeba, paramecium, plasmodioum, trypanosome, chlamydomonous, euglena and spirogyra.

General characteristics

• They have varied body forms i.e unicellular, microscopic, or multicellular thalloids.
• They have cellular membranes hence eukaryotic.
• They have many organelles which have membranes
• Some are heterotrophic and autotrophic.
• Asexual reproduction through fission, fragmentation or sporulation
• They are mobile by use of pseudopia, cilia or flaggela.
• Have specialized structures for specific tasks e.g contractile vacuoles for osmoregulation.