Before revision: This also forced the surviving anaerobes to adapt a symbiotic life among aerobes , which might have paved way for the long-term endosymbiosis that enabled eukaryotes to evolve.
After revision: (who would have consumed free oxygen to create pockets of anoxia, where anaerobes can thrive)This also forced the surviving anaerobes to adapt a symbiotic life among aerobes , which might have paved way for the long-term endosymbiosis that enabled eukaryotes to evolve.