Sentence examples for previous extinction from inspiring English sources

The final extinction episode, sometimes referred to as the terminal Permian crisis, while very real, took 15 million years to materialize and likely eliminated many ecologically struggling faunas that had already been greatly reduced by previous extinction episodes leading up to the terminal Permian crisis.

Quinpirole-treated rats had clearly increased OLPs during the previous extinction session.

Those previous extinctions are thought to have been triggered by external shocks such as an asteroid impact or a huge volcanic eruption.

Buy from Amazon.com; Amazon.co.uk Five previous extinctions wiped out plant and animal life on a huge scale; now a sixth is upon us.

To see how the current loss of species compared to previous extinctions, Payne and his team analysed a database of 2,497 groups of marine vertebrate and mollusc over the past 500 years, and compared it to the ancient past.

The final Permian extinction event, sometimes referred to as the terminal Permian crisis, while very real, may have taken up to 15 million years to materialize and likely eliminated many ecologically struggling faunas that were already greatly reduced by previous extinctions.

This is a unique extinction because it's the hand of man driving it, as opposed to volcanic eruptions, meteor strikes or other cataclysms that caused previous extinctions.

In each of the five previous extinctions, Earth's climate reached a critical tipping point, throwing the ecosystems into a positive feedback loop, leading to a quick wipeout of the planet's biodiversity.