Biodiversity: the variety of organisms considered ay all levels from populations to ecosystems
What is classification?
Classification is the arrangement of organisms into groups/ categories called taxa, based on their similarities
classification is also known as taxonomy
Taxonomy: The science of describing, naming and classification
Taxon: any particular group within a taxonomic system
Aristotle was the first taxonomist
Naturalists replaces aristotles classification system because it did not adequately cover all organisms and the use of common names was problematic
Carolus linnaeus 1707-1778
18th century taxonomist
Classified organisms by their structure
*Developed naming system still in use today
Levels of classification ( largest to smallest):
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
Binomial nomenclature: Each organism receives a scientific name with two parts: the genus name is followed by the species identifier. ( Written in italics with the genus name Capitalized)
Subspecies: variation of a species that live in a different geographic area.
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