Protists are a diverse group of eukaryotes that are primarily single-celled and microscopic and exhibit a wide variety of shapes and life strategies.

protist, any member of a group of diverse eukaryotic, predominantly unicellular microscopic organisms. They may share certain morphological and physiological characteristics with …

Feb 2, 2023 · Protists are the oldest eukaryotic microorganisms, having a nucleus and other membrane-bound organelles. Since they do not wholly fit into other groups like plants, …

Aug 5, 2025 · Protists include anything from single-celled algae to parasitic protozoa, from slimy molds creeping across decaying logs to golden-brown diatoms floating in the ocean.

Because the name “protist” serves as a catchall term for eukaryotic organisms that are not animal, plant, or fungi, it is not surprising that very few characteristics are common to all protists. On …

The first is a phylogeny-based definition; that protists are all eukaryotes that are not animals, fungi, or land plants (Embryophyta). The second concept includes various definitions based on …

Nov 25, 2025 · Many different naming schemes were used over the last couple of centuries, but it has become the most common practice to refer to eukaryotes that are not land plants, …