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Chapter 17 Vocab

TermDefinition
Binomial Nomenclature The system of nomenclature in which two terms are used to denote a species of living organism, the first one indicating the genus and the second the specific epithet.
Class A group or set (of things or entities) with common characteristics, attributes, qualities or traits.
Classification The systematic grouping of living things based on characteristics, hierarchical, or phylogenetic relationships
Division A rank that if treated as a division of a genus or subgenus is deemed to be of subgeneric rank for the purposes of nomenclature.
Family A collection of things or entities grouped by their common attributes, e.g. protein family, gene family, etc.
Genus A taxonomic category ranking used in biological classification that is below a family and above a species level, and includes groups) of species that are structurally similar or phylogenetically related.
Kingdom A taxonomic rank that is composed of smaller groups called phyla.
Order A taxonomic rank used in classifying organisms, generally below the class, and comprised of families sharing a set of similar nature or character
Phylum Taxonomic group related classes.
Taxon Named group of organisms, such as phylum.
Taxonomy Branch of biology that identifies, names, and classifies species based on their natural relationships.
Character Inherited morphological or biochemical feature that varies among species and can be used to determine patterns of desent.
Cladistics Taxonomic method that models evolutionary relationships based on shared derived characters and phylogenetic trees.
Cladogram Diagram with branches that represents the hypothesized phylogeny or evolution of a species or group.
Molecular clock Model that uses comparisons of DNA sequences to estimate phylogeny and rate of evolutionary bonds.
Phylogeny The evolutionary history of a taxonomic group of organisms.
Archaea One in the three-domain system which includes halophilic , methanogens and thermophiles.
Fungus a general term used to denote a group of eukaryotic protists
Protist Any of a group of eukaryotic organisms belonging to the Kingdom Protista.
Created by: whitney16