Kingdoms. Basic Branches of Life More than 200 years ago, Linnaeus began with only the Plant and Animal Kingdoms. Later Kingdoms Protista, Fungi,
18.4 Bacteria and Archaea KEY CONCEPT Kingdoms Eubacteria and Archaeabacteria are composed of single-celled prokaryotes.
Archaea at JGI Iain Anderson Genome Biology Program February 2, 2009.
