From Wikipedia, the free encyclopedia. A phylogenetic tree based on rRNA data, showing the separation of bacteria, archaea, and eukaryotes. The three-domain system is a biological classification introduced by Carl Woese et al. in 1977 that divides cellular life forms into archaea, bacteria, and eukaryote domains.he three-domain system adds a level of classification (the domains) above the kingdoms present in the previously used five-or-six-kingdom systems.
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Cedar Grove is a township in north central Essex County, New Jersey, United States. As of the 2010 United States Census, the township's population was 12,411, reflecting an increase of 111 (+0.9%) from the 12,300 counted in the 2000 Census, which had in turn increased by 247 (+2.0%) from the 12,053 counted in the 1990 Census.