[A]ll living things fall into […] three great domains. The Domain Bacteria includes Cyanobacteria and most groups commonly called bacteria. The Domain Archaea (‘ancient ones’) comprises the Halobacteria (salt-digesters), Methanobacteria (methane-producers), Eocytes (heat-loving sulphur-metabolizing bacteria), and others. The Domain Eucarya includes an array of single-celled forms that are often lumped together as ‘algae’, as well … Continue reading Michael Benton