We’re Not The Only Species To Cause A Mass Extinction
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
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Read More:
History Of Life On Earth
http://www.bbc.co.uk/nature/history_o…
“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/ne…
“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/20…
“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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