Subclass Rhizopoda comprises a wide variety of single-celled organisms that are characterized by their ability to move using temporary projections of their cytoplasm called pseudopodia. Some commonly used synonyms for Subclass Rhizopoda include amoeba, amebas, amoebae, amoeboids, rhizopods, and sarcodines. These synonyms are derived from the unique morphology and behavior of these organisms, which are capable of changing their shape, size, and direction of movement in response to various stimuli in their environment. Due to their simple structure and wide distribution, Subclass Rhizopoda is of great significance in evolutionary biology, ecological studies, and biomedical research.