title: Geochemistry. A shot of oxygen to unleash the evolution of animals.
authors.forename: Richard A
authors.initials: RA
authors.lastname: Kerr
mesh_terms: D000818:Animals; D001272:Atmosphere; D005075:Biological Evolution; D005580:Fossils; D019015:Geologic Sediments / Q000737:chemistry*; D007501:Iron / Q000032:analysis; D010100:Oxygen / Q000032:analysis*; D012623:Seawater / Q000737:chemistry*
chemical_list: D007501:Iron; D010100:Oxygen