BlogArena

General blog about anything and everything of everyday's life.

19. Oct 2019

August 6, 2013
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From obscurity to dominance: Tracking the rapid evolutionary rise of ray-finned fish

ANN ARBOR — Mass extinctions, like lotteries, result in a multitude of losers and a few lucky winners. This is the story of one of the winners, a small, shell-crushing predatory fish called Fouldenia, which first appears in the fossil … Continue reading

August 15, 2012
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Study Proves that One Extinction Leads to Another

When a carnivore becomes extinct, other predatory species could soon follow, according to new research. Scientists have previously put forward this theory, but a University of Exeter team has now carried out the first experiment to prove it. Published today … Continue reading

January 3, 2011
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What Triggers Mass Extinctions? Study Shows How Invasive Species Stop New Life

*Collapse of Earth’s marine life 378 to 375 million years ago holds key* An influx of invasive species can stop the dominant natural process of new species formation and trigger mass extinction events, according to research results published in the … Continue reading