Chapter 18 Classification Vocab

the branch of biology concerned with the identification, classification, and naming of organisms based on their characteristics and evolutionary relationships

• Taxonomy

• Binomial nomenclature

• Genus

• Order

a two-word naming system

• Binomial nomenclature

• Genus

• Family

• Linnaeus’s hierarchical system of classification

a group of closely related species

• Taxon

• Family

• Genus

• Class

a level in taxonomic nomenclature

• classification

• Taxon

• Family

• Class

a system of classification that includes seven levels that order from smallest to largest- species, genus, family, order, class, phylum, and kingdom

• Taxonomy

• Family

• Taxon

• Linnaeus’s hierarchical system of classification

is a group of related organisms that share similar characteristics and are placed together in a hierarchical classification system

• Class

• Phylum

• Family

• Kingdom

is a level above family and below class in the hierarchical classification system

• Kingdom

• Phylogeny

• Order

• Phylum

level of classification is used to organize and categorize a diverse range of organisms, such as mammals, birds, reptiles, and fish, based on their anatomical, physiological, and behavioral features

• Phylum

• Class

• Kingdom

• Order

the third level of hierarchy, after domain and kingdom, and represents a group of organisms that share fundamental characteristics and evolutionary relationships. Organisms within the same phylum have similar body plans, developmental patterns, and other key features

• Phylum

• Order

• Kingdom

• Family

the highest level of classification in the Linnaean taxonomy system

• classification

• Kingdom

• Derived characters

• Phylogeny