The Kingdom Protista. Chapter 20. What is a Protist?. Any organism that is not a plant, an animal, a fungus, or prokaryote. Are eukaryotes that are not members of the kingdoms, Plantae, Animalia, or Fungi. Classification of Protists.
The Kingdom Protista
Take in food from the environment
Produce food by photosynthesis
Obtain food by external digestion
are classified by
Unicellular Algae-classified by pigments