an amoeba can change its shape
amoeba is protozoan. amoeba is protista. amoeba is animalcule. amoeba is eukaryote. amoeba is not protozoan. amoeba is not protista. amoeba is not eukaryote. amoeba is not single_cell_organism. amoeba is not animalcule. amoeba is single_cell_organism.