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chapter 17 BD

chapter 17

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 nomencllature 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 tazonomic 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 term 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.
phylogeny evolutionary history of a species.
character inherited morphological or biochemical feature that varies among species and can be used to determine patterns of descent.
molecular clock model that uses comparisons of DNA sequences to estimate phylogeny and rate of evolutionary change.
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.
archaea the species classified in Domain Archaea, are thought to be more ancient than bacteria and yet more closely related to eukaryote ancestors.
protist unicellular, multicellular, or colonial eukaryote whose cell walls may contain cellulose; can be plant like, animal-like, or funguslike.
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: beaudroke
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