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Bio2, Ch 17 Vocab

TermDefinition
Classification Grouping of organisms or objects based on a set of criteria that helps organize, communicate, and retain information.
Taxonomy Branch of biology that identifies, names, and classifies species based on their natural relationships.
Binomial nomenclature Linnaeus's system of naming organisms, which gives a scientific two-word Latin name to each species--the first part is the genus name and the second is the specific epithet.
Taxon Named group of organisms, such as a phylum, genus, or species.
Genus Taxonomic group of closely related species with a common ancestor.
Family Taxonomic group of similar, related genera that is smaller than a genus and larger than an order.
Order Taxonomic group that contains related families.
Class Taxonomic group that contains one or more related orders
Phylum Taxonomic group of related classes
division Taxonomic tern used instead of phylum to group related classes of plants and bacteria.
Kingdom Taxonomic group of related phyla or divisions.
Domain Taxonomic group of one or more kingdoms
Character Inherited morphological or biochemical feature that varies among species and can be used to determine patterns of descent.
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; uses bioinformatics, morphological studies, and information from DNA studies.
molecular clock Model that uses comparisons of DNA sequences to estimate phylogeny and rate of evolutionary change.
phylogeny Evolutionary history of a species.
Archaea Prokaryotes whose cell walls do not contain peptidoglycan(a protein like substance)
Protist Unicellular, multicellular, or colonial eukaryote whose cell walls may contain cellulose; can be plantlike, animal-like, or fungus-like.
Fungus Unicellular or multicellular eukaryote that is stationary, absorbs nutrients from organic materials in the environment, and has cell walls that contain chitin.
Created by: lorettabritton
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