Classification Unit Flashcards
classification
grouping of an organism or objects based off of criteria that helps organize communicate and retain info
taxonomy
branching 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 phylum, genus, or species
genus
taxonomic group of closely related species with a common ancester
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 term used instead of phylum to group related classes of plants and bacteria
kingdom
taxonomic group of phyla or divisions
domain
taxonomic group of one or more kingdoms
phylogeny
evolutionary history of a species
characters
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