Sentence examples for before the extinction from inspiring English sources

For 50 million years before the extinction event, species were going extinct faster than new ones were emerging.

She and her team of geologists have placed that impact 300,000 years before the extinction.

Duck-billed dinosaurs may have actually been on the rise just before the extinction event, according to the study.

Volunteers who were not made to replay the fearful memory just before the extinction process didn't permanently lose their fear.

In the Science paper, they describe major changes in the Deccan Traps volcanism, which was probably "bubbling along happily, continuously and relatively slowly" before the extinction, Renne said.

Before the extinction event, the reduced material accumulating in sediments was dominated by carbon; afterward, iron sulfide shared a far greater part of the pie.

Just before the extinctions, volcanoes in what is now Siberia erupted on a tremendous scale.

They looked at tektites from Haiti and volcanic ash collected from the Hell Creek Formation in Montana - the source of many dinosaur fossils and one of the best sites to study the change in fossils from before and after the extinction.

Similar indications of abundance were recorded both before and after the extinction of the respective X. laevis populations, especially on the industrial wasteland in Scunthorpe.

In many ways, Sibert said, the study is a combination of paleontology and ecology approaches because it allowed scientists to measure not only which species were present both before and after the extinction, but their relative abundance as well.

The Neornithes are agreed to have evolved in the Cretaceous, and the split between the Galloanseri from other Neognathes occurred before the Cretaceous Paleogene extinction event, but there are different opinions about whether the radiation of the remaining Neognathes occurred before or after the extinction of the other dinosaurs.