The case for a neoproterozoic oxygenation event
Tuesday, March 8, 2011 - 15:30
in Paleontology & Archaeology
The Cambrian "explosion" of multicellular animal life is one of the most significant evolutionary events in Earth's history. But what was it that jolted the Earth system enough to prompt the evolution of animals? While we take the presence of oxygen in our atmosphere for granted, it was not always this way.