Evolution. Could poor nutrition have held life back?
Kerr
Richard A
RA
D001272:Atmosphere; D005075:Biological Evolution; D056890:Eukaryota / Q000254:growth & development; D019015:Geologic Sediments; D007501:Iron / Q000032:analysis; D008670:Metals / Q000032:analysis; D009792:Oceans and Seas; D010100:Oxygen / Q000032:analysis; D012623:Seawater; D013431:Sulfates / Q000032:analysis; D013440:Sulfides / Q000032:analysis
D008670:Metals; D013431:Sulfates; D013440:Sulfides; D007501:Iron; D010100:Oxygen