Sentence examples for beginning of extinction from inspiring English sources

The new research, published in the Geological Society of American Bulletin, maintains that the asteroid impact was the beginning of extinction, but acknowledges the critical role of the eruptions in an area of India known as the Deccan Traps, too.

Longer rearing episodes measured prior to conditioning predicted less freezing at the beginning of extinction, but differences in extinction learning were not predicted by any baseline exploratory behaviors.

At the beginning of extinction SHR emitted more response bouts (b 0 ) whose length declined at a slower rate H L and C L0)].

While our groups were selected to minimize differences at the beginning of extinction and maximize differences during 24-h extinction recall, we did not select for differences in extinction learning itself.

Furthermore, a sensory discrimination deficit (i.e., perception of light changes between the fixed-interval and extinction sessions), can be excluded since all rats stopped responding at the beginning of an extinction schedule, indicating they perceived that the light was no longer present.

Andrew Seguya, the director of Uganda's Wildlife Authority, told the Guardian: "If the EU prevents an Annex I listing, it will be the beginning of the extinction of the African elephant for sure.

However, all birds reinstated pecking in the 10 reinforced trials at the beginning of the extinction session.

Therefore, we aimed to achieve considerable freezing responses at the beginning of the extinction trial in both rat lines by using a relatively strong conditioning paradigm including five pairings.

To Barnovsky and his colleagues, that means we are at the beginning of mass extinctions.

The volcanism of the first 40,000 years of this interval was particularly intense and coincided with the beginning of the mass extinction some 201.5 million years ago.

All of this means that we're at the beginning of a mass extinction that will play out over hundreds or thousands of years, his team concludes online today in Nature.