title: Earth science. The story of O2.
authors.forename: Richard A
authors.initials: RA
authors.lastname: Kerr
mesh_terms: D000818:Animals; D001272:Atmosphere; D001419:Bacteria / Q000378:metabolism; D005075:Biological Evolution; D000458:Cyanobacteria / Q000254:growth & development / Q000378:metabolism; D018534:Earth, Planet; D017753:Ecosystem; D056890:Eukaryota / Q000235:genetics / Q000378:metabolism; D005057:Eukaryotic Cells / Q000502:physiology; D019419:Evolution, Planetary; D005580:Fossils; D019015:Geologic Sediments; D006859:Hydrogen; D008697:Methane / Q000378:metabolism; D010084:Oxidation-Reduction; D010100:Oxygen / Q000032:analysis / Q000378:metabolism; D010788:Photosynthesis; D012623:Seawater
chemical_list: D006859:Hydrogen; D008697:Methane; D010100:Oxygen