Taxon Group or level of organization into which organisms are classified.
Binomial Nomenclature Classification system in which each species is assigned a two-part scientific name.
Genus Group of closely related species, and the first part of the scientific name in binomial nomenclature.
Taxonomy Discipline of classifying organisms and assigning each organism a universally accepted name.
Family Group of genera that share many characteristics.
Order Group of similar families.
Class Group of similar orders.
Phylum Group of closely related classes.
Kingdom Large taxonomic group, consisting of closely related phyla.
Key Concept How are living things organized for study? To study the diversity of life, biologists use a classification system to name organisms and group them in a logical manner.
Key Concept What is Binomial Nomenclature? Each species is assigned a two-part scientific name.
Key Concept What is Linnaeus’ system of classification? Linnaeus’ hierarchical system of classification includes seven levels. They are from smallest to largest species, genus, family, order, class, phylum, and kingdom.