Before Animals, Evolution Waited Eons to Inhale
Monday, July 25, 2016 - 15:01
in Biology & Nature
Time to smash the beaker when thinking about oxygen concentrations in water, at the time when animal life first evolved. Oceans stacked O2 here and depleted it there, as this novel model demonstrates. It may well toss a wrench into the way we have dated the evolution of the earliest animals.