Six million years ago, atmospheric shifts led to increased diversity of grassland mammals

Six million years ago, atmospheric shifts led to increased diversity of grassland mammals

South America’s ancient climate dried, grasslands expanded, mammals diversified
More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=298483&WT.mc_id=USNSF_1

This is an NSF Discoveries item.

Read more at nsf.gov

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