Tartışma:Domain (biyoloji)

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In biology, a domain (also superregnum, superkingdom, or empire) is the top-level grouping of organisms in scientific classification, higher than a kingdom.

Today there are several competing domain classifications of life:

The three-domain system of Carl Woese, introduced in 1990, with top-level groupings of Archaea, Eubacteria, and Eukaryota domains.
The two-empire system, with top-level groupings of Prokaryota (or Monera) and Eukaryota empires.
The five-kingdom system with top-level groupings of Protista, Monera, Fungi, Plantae, and Animalia.

--Ugur Basak 08:26, 30 Kasım 2005 (UTC)

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