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Bacterial taxonomy is the taxonomy, i.e. the rank-based classification, of bacteria. In the scientific classification established by Carl von Linné, each species has to be assigned to a genus (binary nomenclature), which in turn is a lower level of a hierarchy of ranks (family, suborder, order, subclass, class, division/phyla, kingdom and domain). In the currently accepted classification of Life, there are three domains (Eukaryotes, Bacteria and Archaea), which, in terms of taxonomy, despite following the same principles have several different conventions between them and between their subdivisions as are studied by different disciplines (Botany, zoology, mycology and microbiology), for example in zoology there are type specimens, whereas in microbiology there are type strains. ==Diversity== (詳細はBacterial phyla and Timeline of evolution) * Metabolism: Different bacteria may have different metabolic abilities (see Microbial metabolism) * Environment: Different bacteria thrive in different environments, such as high/low temperature and salt (see Extremophiles) * Morphology: There are many structural differences between bacteria, such as cell shape, Gram stain (number of lipid bilayers) or bilayer composition (see Bacterial cellular morphologies, Bacterial cell structure) * Pathogenicity: Some bacteria are pathogenic to plants or animals (see Pathogenic bacteria) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「bacterial taxonomy」の詳細全文を読む スポンサード リンク
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