
Tree Roots May Have Set Off a Mass Extinction
The evolution of terrestrial plant roots could have kicked off large-scale extinctions by throwing the planet’s mineral cycle into disarray
Joanna Thompson is an insect enthusiast and former Scientific American intern. She is based in New York City. Follow Thompson on Twitter @jojofoshosho0

The evolution of terrestrial plant roots could have kicked off large-scale extinctions by throwing the planet’s mineral cycle into disarray

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