Species
In the Linnean and neolinnean systems of biological classification, a taxonomic ranking between genus or subgenus and subspecies. It comprises related organisms or populations that are reproductively distinct and cannot produce fertile offspring by natural reproduction. The concept of a species is difficult to apply to prokaryotes (which reproduce asexually) and has also been rendered irrelevant by DIY germline engineering, tweaking and other forms of biotech. Nevertheless, the term is still popularity used as a convenient label for types of organic lifeforms.
 
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Development Notes
Text by M. Alan Kazlev

Initially published on 31 December 2007.