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From Biology-Online Dictionary | Biology-Online Dictionary
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The domain comprised of eukaryotes or organisms whose cells contain a true nucleus.


Eukaryota (or Eukarya) is one in the three-domain system of biological classification introduced by Carl Woese in 1990. The other two are Archaea and Bacteria.

Related terms: eukaryote (noun).

Synonym: Eukarya.
Compare: Archaea, Bacteria.
See also: eukaryote.