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 animals or plants or both.

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.

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, animals, bacteria, or …

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 biological …

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, animals, or fungi …

Most protists are microscopic, unicellular organisms that are abundant in soil, freshwater, brackish, and marine environments. They are also common in the digestive tracts of animals and in the vascular …

The following groups contain protists. The clade Opisthokonta also contains the animals and the fungi, and the kingdom Archaeplastida also contains algae and plants.

Feb 14, 2022 · Protists are one of the six kingdoms of life. They are simple eukaryotic microorganisms that do not fall into the plant, animal, bacteria or fungus groups.

May 1, 2025 · Protists are eukaryotic organisms that can be unicellular or multicellular, and they live in moist environments. Protists can acquire nutrition through photosynthesis, absorbing nutrients, or …