Scientists discover first multicellular life that doesn't need oxygen
Wednesday, April 7, 2010 - 04:28
in Paleontology & Archaeology
(PhysOrg.com) -- Oxygen may not be the staple of modern complex life that scientists once thought. Until now, the only life forms known to live exclusively in anoxic conditions were viruses, bacteria and Archaea. But in a new study, scientists have discovered three new multicellular marine species that appear to have never lived in aerobic conditions, and never metabolized oxygen.