Wednesday, December 29, 2010

Domain

Rubus Berry Plants

Domain


Domain ~ Rubus Berry Plants
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Rubus Berry Plants

Rubus Berry Plants

Domain

In biological taxonomy, a Domain (also superregnum, superkingdom, or empire) is the highest taxonomic rank of organisms, higher than a kingdom. According to the three-domain system of Carl Woese, introduced in 1990, the Tree of Life consists of three domains: Archaea, Bacteria and Eukarya. The arrangement of taxa reflects the fundamental differences in the genomes. There are some alternative classifications of life:

* The two-empire system or superdomain system, with top-level groupings of Prokaryota (or Monera), Eukaryota and the more recently discovered Archaea empires.
* The six-kingdom system with top-level groupings of Eubacteria, Archaebacteria, Protista, Fungi, Plantae, and Animalia.
* The three-empire system (Eubacteria, Archaea, Eukarya) with 5 Supergroups in the Eukarya

None of the three systems currently include non-cellular life.

See : Life, Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species


Related : Rubus
Related : Raspberry

Related : Domain From Wikipedia, the free encyclopedia, Rubus Berry Plants

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