Classification Prokaryote

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phylogenetic , symbiogenetic tree of living organisms, showing origins of eukaryotes , prokaryotes


in 1977, carl woese proposed dividing prokaryotes bacteria , archaea (originally eubacteria , archaebacteria) because of major differences in structure , genetics between 2 groups of organisms. archaea thought extremophiles, living in inhospitable conditions such extremes of temperature, ph, , radiation have since been found in types of habitats. resulting arrangement of eukaryota (also called eucarya ), bacteria, , archaea called three-domain system, replacing traditional two-empire system.








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