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MB 17.1
MB Chapter 17, Section 1
Term | Definition |
---|---|
biodiversity | the variety of organisms in a given area, the genetic variation within a population, the variety of species in a community, or the variety of communities in an ecosystem |
taxonomy | the science of describing, naming, and classifying organisms |
taxon | any particular group within a taxonomic system |
kingdom | the highest taxonomic category, which contains a group of similar phyla |
domain | in a taxonomic system based on rRNA analysis, one of the three broad groups that all living things fall into |
phylum | the taxonomic group below kingdom and above class |
division | in taxonomy, a grouping of similar classes of plants |
class | a taxonomic category containing orders with common characteristics |
order | the taxonomic category below the class and above the family |
family | the taxonomic category below the order and above the genus |
genus | the level of classification that comes after family and that contains similar species |
species | a group of organisms that are closely related and can mate to produce fertile offspring; also the level of classification below genus and above subspecies |
bionomial nomenclature | a system for giving each organism a two-word scientific name that consists of the genus name followed by the species name |
subspecies | a taxonomic classification below species that groups organisms that live in different geographical areas, differ morphologically from other populations of the species, but can interbreed with other populations of the species |