Classification Unit Flashcards
Classification
the action or process of classifying something according to shared qualities or characteristics.
Taxonomy
the classification of something, especially organisms.
Binomial nomenclature
the system of nomenclature in which two terms are used to denote a species of living organism
Taxon
a taxonomic group of any rank, such as a species, family, or class.
Genus
a principal taxonomic category that ranks above species and below family,
Family
is one of the eight major taxonomic ranks; it is classified between order and genus.
Order
a taxonomic rank used in the classification of organisms
Class
a taxonomic rank,
Phylum
a principal taxonomic category that ranks above class and below kingdom.
Division
a taxonomic rank in biological classification that is used differently in zoology and in botany
Kingdom
The highest classification into which living organisms are grouped in Linnean taxonomy, ranking above a phylum
Domain
also super kingdom or empire,
Phylogeny
. The evolutionary development and history of a species or higher taxonomic grouping of organisms
Characters
any observable feature,
Molecular clock
figurative term for a technique that uses the mutation rate of biomolecules to deduce the time in prehistory when two or more life forms diverged.
Cladistics
a method of classification of animals and plants according to the proportion of measurable characteristics
Cladogram
a branching diagram showing the cladistic relationship between a number of species.
Archaea
Any of the unicellular microorganisms that is genetically distinct from bacteria and eukaryotes, and often inhabiting extreme environmental conditions.
Protists
are eukaryotic organisms that cannot be classified as a plant, animal, or fungus.
Fungus
a diverse group of eukaryotic single-celled or multinucleate organisms that live by decomposing and absorbing the organic material in which they grow
