Domain Names Biology
In biology a domain refers to the largest of all groups in the classification of life.
Domain names biology. All life that has a cell nucleus and eukaryotic membrane bound organelles is included in eukar. The first two are all prokaryotic microorganisms or mostly single celled organisms whose cells have no nucleus. According to this system the tree of life consists of three domains.
Bacteria archaea and eukaryota. In biological taxonomy a domain also superkingdom realm or empire is the highest taxonomic rank of organisms in the three domain system of taxonomy devised by carl woese et al. Each domain contains a collection of organisms with similar properties and evolutionary histories as scientists have organized them.
There are currently 3 agreed groups at this level the archaea domain bacteria domain and eukarya domain. Organisms with eukaryotic cells belong to the domain eukarya. Organisms are classified into three domains.