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  1. Protist - Wikipedia

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

  2. Protist | Definition, Characteristics, Reproduction, Examples ...

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

  3. What Are Protists and Why Are They Hard to Classify?

    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 everything that doesn’t …

  4. Protists – Introduction to Living Systems

    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.

  5. Characteristics of Protists – Introductory Biology ...

    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 other …

  6. What is a Protist? - International Society of Protistologists

    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 …

  7. Understanding protists: What you need to know - Smore Science

    Nov 27, 2025 · Have you ever examined pond water under a microscope? Did you see small organisms gliding around? If so, you saw a protist. Protists make up a large group of eukaryotic organisms on …

  8. The Protista Kingdom: Characteristics and Examples - ThoughtCo

    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 others do not move …

  9. 2.4.1: Introduction to Protists - Biology LibreTexts

    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.

  10. Protists: Definition, Types, Characteristics, and Examples

    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 …