Zooplankton rapidly evolve tolerance to road salt

EarthzineBiodiversity

A common species of zooplankton — the smallest animals in the freshwater food web — can evolve genetic tolerance to moderate levels of road salt in as little as two and a half months, according to new research published online today in the journal Environmental Pollution.

A fertilizer dearth foiled animal evolution for eons?

EarthzineBiodiversity

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.