'Tree Of Life' Has Lost A Branch, According To Largest Genetic Comparison Of Higher Life Forms EverThe four new super-groups of life are Plants (green and red algae, and plants; Opisthokonts (amoebas, fungi, and all animals—including humans; Excavates (free-living organisms and parasites; SAR (the new main group, an abbreviation of Stramenophiles, Alveolates, and Rhizaria, the names of some of its members). (Credit: Image courtesy of University of Oslo) ScienceDaily (Jan. 22, 2008) — Norwegian and Swiss biologists have made a startling discovery about the relationship between organisms that most people have never heard of. The Tree of Life must be...