<P> An amoeba (/ əˈmiːbə /; rarely spelled amœba, US English spelled ameba; plural am (o) ebas or am (o) ebae / əˈmiːbiː /), often called amoeboid, is a type of cell or organism which has the ability to alter its shape, primarily by extending and retracting pseudopods . Amoebas do not form a single taxonomic group; instead, they are found in every major lineage of eukaryotic organisms . Amoeboid cells occur not only among the protozoa, but also in fungi, algae, and animals . </P> <P> Microbiologists often use the terms "amoeboid" and "amoeba" interchangeably for any organism that exhibits amoeboid movement . </P>

Is an amoeba a plant or animal cell
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