Sentence examples for massive extinction from inspiring English sources

Or that ocean acidification is OK because a massive extinction of marine life will likely occur over many generations of people who will increasingly grow up without experiencing what has been lost.

The rare collisions of relatively large objects (those with diameters greater than about 1 km [0.6 mile]) with Earth can be devastating, as in the case of the asteroid impact that is thought to have been responsible for the massive extinction of species at the end of the Cretaceous Period 65 million years ago (see dinosaur: Extinction; Earth impact hazard).

A massive extinction of marine animals ensued, yet death may not have come quickly.

That's because the volcanic activity 250 million years ago might not have been directly responsible for the massive extinction.

That is usually explained by massive extinction in the Pleistocene ice ages (Huntley 1993; Latham and Ricklefs 1993; Svenning et al. 2008).

At the end of the Pleistocene, there was a particularly important event: the massive extinction of most of the mega-mammals whose footprints are found at Pehuen Co.

At essentially double that current temperature increase, there undoubtedly will be massive extinctions and widespread ecosystem collapse.

Dr. Gibson surveyed an additional four islands and found they also had just one or two species, suggesting that all the islands were suffering massive extinctions in about 20 years.

However, Eddie Wrenn wrote in Mail Online, September 6 , 2012 that "Dinosaur die-outs have been the second of two massive extinctions: Researchers believe huge underwater volcanoes 'killed off all the sea-life first'" (http://www.dailymail.co.uk/sciencetech/article-2199277/Dinosaur-die-second-massive-extinctions-Huge-underwater-volcanoes-killed-sea-life-first.html?ito=feeds-newsxml).

Our sun is probably capable of such a huge blast, given that many distant sunlike stars have been spotted releasing flares that big, if not bigger, the scientists say, though the blast would still have been too small to cause massive extinctions.

There have been five massive extinctions on the planet.