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

Nov 7, 2025 · Protist, any member of a group of diverse eukaryotic, predominantly unicellular microscopic organisms. They may share certain morphological and physiological …

Eukaryotic organisms that did not fit the criteria for the kingdoms Animalia, Fungi, or Plantae historically were called protists and were classified into the kingdom Protista.

Aug 5, 2025 · The term “protist” might sound like a placeholder—and in many ways, it is. It’s not a name for a single group of closely related organisms, but rather a convenient bin for …

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 …

May 1, 2025 · Protists can acquire nutrition through photosynthesis, absorbing nutrients, or feeding on other organisms. Some protists move using flagella, cilia, or pseudopodia, while …

In the meantime, the term “protist” still is used informally to describe this tremendously diverse group of eukaryotes. Most protists are microscopic, unicellular organisms that are abundant in …

: any of a kingdom of organisms that resemble plants or animals or both, are one-celled and sometimes colonial or less often many-celled, and that typically include the protozoans, most …

Aug 25, 2023 · Protist (biology definition): Any of a group of eukaryotic organisms belonging to the Kingdom Protista. Protists include: (1) protozoa, the animal-like protists, (2) algae, the plant …

The term "protist" is a general description for eukaryotic organisms that are not animal, plant, or fungus. These organisms were formerly classified in Kingdom Protista.