Quantcast

Latest Steven Holland Stories

2012-05-08 13:44:37

A basic tenet underpinning scientists' understanding of extinction is that more abundant species persist longer than their less abundant counterparts, but a new University of Georgia study reveals a much more complex relationship. A team of scientists analyzed more than 46,000 fossils from 52 sites and found that greater numbers did indeed help clam-like brachiopods survive the Ordovician extinction, which killed off approximately half of the Earth's life forms some 444 million years ago....


Word of the Day
ramage
  • Boughs or branches.
  • Warbling of birds in trees.
Related