| A fertilizer dearth foiled animal evolution for eons? 12/29/2016 09:34 AM EST
Earth was inhospitable to complex life for billions of years, practically suffocating evolution in a nearly oxygen-free environment. Then came a shift in phosphorus concentrations to ocean shallows, and after that, the evolution of complex life exploded. Source Georgia Institute of Technology
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Thursday, December 29, 2016
A fertilizer dearth foiled animal evolution for eons?
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