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  1. Unicellular Organisms | Definition, Characteristics & Examples

    Understand what a unicellular organism is by learning the unicellular definition. Explore the characteristics of unicellular organisms and discover examples.

  2. Protist Definition, Names & Examples - Lesson | Study.com

    What is a protist? Learn about protists, whether protists are unicellular or eukaryotic, and protists' names while reviewing examples of unicellular protists.

  3. Unicellular Organisms | Definition, Characteristics & Examples

    Explore the world of unicellular organisms in this informative video lesson. Discover their unique characteristics and see real-life examples, followed by a quiz.

  4. Algae | Definition, Characteristics & Examples - Study.com

    Algae are eukaryotic, photosynthetic, unicellular, or multicellular organisms. They are not true plants and are generally found living in aquatic or moist habitats. Why are algae formed?

  5. Euglena | Characteristics, Structure & Life Cycles - Study.com

    Euglena are unicellular microorganisms in the kingdom Protista, also referred to as protists. Euglena are typically found in damp and aquatic (fresh and saltwater) environments. Euglena …

  6. Fungal Cells | Definition, Types & Structure - Study.com

    May 5, 2025 · What are the structural differences between unicellular and multicellular fungi? Unicellular fungi, such as yeasts, consist of single cells that reproduce asexually by budding or …

  7. Organisms | Definition, Characteristics & Examples - Study.com

    Organisms can be multicellular or unicellular. Examples of multicellular organisms include humans, plants, animals, and fungi. Examples of unicellular organisms include bacteria and …

  8. Diatoms | Definition, Characteristics & Classification - Study.com

    Understand what diatoms are by learning the diatoms definition. Learn more about diatoms characteristics, classification, types of diatoms, and...

  9. Amoeba Protist | Characteristics, Types & Examples - Study.com

    An amoeba (pronounced a-meeba) is a unicellular, eukaryotic organism (meaning it has a nucleus enclosed within an envelope) that lacks a fixed body shape and moves and eats using …

  10. Plant-Like Protists | Characteristics & Examples - Study.com

    Learn what plant-like protists are and understand whether protists have chloroplasts. See examples of plant-like protists and understand their...