a taxonomic category containing orders with common characteristics
the division of organisms into groups, or classes, based on specific characteristics
an aid that is used to identify unknown organisms and that consists of the answers to a series of questions, of which each involves alternate choices
the taxonomic category below the order and above the genus
the level of classification that comes after family and that contains similar species
the highest taxonomic category, which contains a group of similar phyla
the taxonomic category below the class and above the family
the taxonomic group below kingdom and above class
a group of organisms that are closely related and can mate to produce fertile offspring; also the level of classification below genus
the science of describing, naming, and classifying organisms
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