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We're Not The Only Species To Cause A Mass Extinction

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Channel: Seeker
Categories: Environmental   |   Science  
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Over the last several hundred million years, there have been many mass extinctions. Who caused the first & should we worry about the next?

What's The Best Way To Stop Mass Extinction? - http://bit.ly/2bkskfY
Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI

Read More:

History Of Life On Earth
http://www.bbc.co.uk/nature/history_of_the_earth
"During its dramatic 4.5 billion year history, Earth has gone through a series of major geological and biological changes. The timescale below highlights a number of notable prehistoric events and the geological periods in which they occurred."

Newly Discovered Fossils Strengthen Proposition That World's First Mass Extinction Engineered By Early Animals
http://news.vanderbilt.edu/2016/07/newly-discovered-fossils-strengthen-proposition-that-worlds-first-mass-extinction-engineered-by-early-animals/
"Newly discovered fossil evidence from Namibia strengthens the proposition that the world's first mass extinction was caused by "ecosystem engineers" - newly evolved biological organisms that altered the environment so radically it drove older species to extinction."

Will Humans Survive The Sixth Great Extinction
http://news.nationalgeographic.com/2015/06/150623-sixth-extinction-kolbert-animals-conservation-science-world/
"In the last half-billion years, life on Earth has been nearly wiped out five times-by such things as climate change, an intense ice age, volcanoes, and that space rock that smashed into the Gulf of Mexico 65 million years ago, obliterating the dinosaurs and a bunch of other species. These events are known as the Big Five mass extinctions, and all signs suggest we are now on the precipice of a sixth."

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