Classification

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classify
arrange (a group of people or things) in classes or categories according to shared qualities or characteristics.
taxonomy
Naming and classifying organisms
domain
A taxonomic category above the kingdom level. The three domains are Archaea, Bacteria, and Eukarya.
kingdom
A taxonomic category, the second broadest after domain.
phylum
a category of taxonomic classification that is ranked above class and under kingdoms
class
a category of taxonomic classification that is above order and under phylum
order
(biology) taxonomic group containing one or more families
family
(biology) a taxonomic group containing one or more genus
genus
A classification grouping that consists of a number of similar, closely related species
species
A group of organisms that are closely related and can mate to produce fertile offspring
phylogeny
Evolutionary history of a species
binomial nomenclature
A system for giving each organism a two-word scientific name that consists of the genus name followed by the species name
species diversity
Variety of different kinds of organisms that make up a community.
dichotomous key
A series of descriptions arranged in pairs that leads the user to the identification of an unknown organism.
Aristotle
Designed the first classification system which divided living things into two categories: plants and animals
Carolus Linneaus
Created binomial nomenclature
prokaryote
A unicellular organism that lacks a nucleus and membrane bound organelles
eukaryote
A cell that contains a nucleus and membrane bound organelles
Animals
eukaryotic, multicellular, heterotrophic, no cell wall, can move
Plants
eukaryotic, multicellular, autotrophic, cell wall made of cellulose, can't move
Fungi
eukaryotic, multicellular, heterotrophic, cell wall made of chitin, can't move
Protists
eukaryotic, most are unicellular but some are multicellular, some autotrophic/some heterotrophic
archaea (a.k.a. archaebacteria)
prokaryotic, unicellular, some autotrophic/some heterotrophic, live in harsh environments; have different cell walls than bacteria
bacteria (a.k.a. eubacteria)
prokaryotic, unicellular, some autotrophic/some heterotrophic; have different cell walls than archaea

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