||the action or process of classifying something according to shared qualities or characteristics.
||size and simplicity of structure but radically different in molecular organization. They are now believed to constitute an ancient intermediate group between the bacteria and eukaryotes.
||A group of unicellular, multicellular, or syncytial spore-producing organisms feeding on organic matter, including molds, yeast, mushrooms, and toadstools.
||the branch of science concerned with classification, especially of organisms; systematics.
||a bacterium of a large group typically having simple cells with rigid cell walls and often flagella for movement.
||is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish.
||any of a diverse taxonomic group and especially a kingdom
||that one of the basic groups of living things that comprises either all the animals or all the multicellular animals — compare animal kingdom plantae protista.