Domain — Science definition
The broadest, highest level of classification; all life is divided into three domains — Bacteria, Archaea, and Eukarya.
Where it is taught
- Classification & Biodiversity — Evolution, Ancestry & Biodiversity, Life Science: Biology, Grade 10
In use
In the 1700s, the Swedish naturalist Carolus Linnaeus built the framework we still use, sorting organisms into a nested hierarchy of ever-broader groups: domain, kingdom, phylum, class, order, family, genus, species (many students remember the order with a sentence like 'Dear King Philip Came Over For Good Soup').
Classification & Biodiversity