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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 …

  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 …

  4. 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, …

  5. 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 …

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

    5 days ago · 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 …

  7. 13.3 Protists - Concepts of Biology | OpenStax

    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.

  8. 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.

  9. 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 …

  10. Protist - Diversity, Unicellular, Microscopic | Britannica

    Nov 7, 2025 · Protists vary greatly in organization. Some are single-celled; others are syncytial (coenocytic; essentially a mass of cytoplasm); and still others are multicellular. (While protists …