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  1. Amoeba - Wikipedia

    Most of the free-living freshwater amoebae commonly found in pond water, ditches, and lakes are microscopic, but some species, such as the so-called "giant amoebae" Pelomyxa palustris and …

  2. Amoeba: Definition, Structure, & Characteristics with Diagram

    Oct 29, 2020 · Amoeba is an aquatic, single-cell (unicellular) organism with membrane-bound (eukaryotic) organelles that has no definite shape. It is capable of movement. When seen under a …

  3. Amoeba | Protista, Unicellular & Flagellates | Britannica

    Jan 10, 2026 · Amoebas are identified by their ability to form temporary cytoplasmic extensions called pseudopodia, or false feet, by means of which they move about. This type of movement, called …

  4. Amoebae: Definition, Habitat, and Health Risks - Biology Insights

    Aug 1, 2025 · Amoebae are microscopic, single-celled organisms, recognized for their constantly changing, irregular shapes. These tiny entities are found widely across various environments, …

  5. What Is an Amoeba? - Live Science

    Feb 26, 2022 · "There isn't actually a coherent group of organisms called the amoebae," Maciver said. "Rather, amoebae are any protozoan cells that move by crawling."

  6. Scientists call for urgent action as dangerous amoebas spread globally

    3 days ago · Scientists are warning that a little-known group of microbes called free-living amoebae may pose a growing global health threat. Found in soil and water, some species can survive extreme heat ...

  7. Amoeba - Definition and Examples - Biology Online Dictionary

    Sep 26, 2023 · In protistology, amoeba specifically pertains to the genus Amoeba (true amoeba) of the family Amoebidae, class Tubulinea. This genus is comprised of single-celled protists. They are free …

  8. Amoeba - New World Encyclopedia

    The plural of amoeba is spelled either amoebas or amoebae. The word amoeba is also used to refer to both this genus and its close relatives, now grouped as the "Amoebozoa," as well as to refer to all …

  9. Frontiers | Amoebae: beyond pathogens- exploring their benefits and ...

    Dec 18, 2024 · Amoebae, fascinatingly diverse protists, showcase a dual nature that positions them as both friends and foes in our world. These organisms, defined by their distinctive pseudopodia, span a …

  10. Amoeba - Definition, Movement & Reproduction | Biology Dictionary

    Oct 4, 2019 · An amoeba is a highly motile eukaryotic, unicellular organism. Typically belonging to the kingdom protozoa, it moves in an “amoeboid” fashion. As such, microbiologists often use the term …