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Evolution Permian-Triassic Extinction

http://www.myspace.com/acor... One of the most dramatic and mysterious events in the history of life, the so-called "Great Dying" of animals and plants some 250 million years ago, continues to fas...  
 
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garritson (10 months ago) Show Hide
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MeningsMod (8 months ago) Show Hide
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two words mor-on
craigosbournes (7 months ago) Show Hide
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5 words cudd-er-ly-tap-airs
flyingscience (11 months ago) Show Hide
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Lady paleontologist straightens out creationists .Pretty as she is smart -

"Transitional Fossils in Evolution pt. 1 of 4'
nycruise (1 year ago) Show Hide
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It was ugly. The animals that evolved in the wake of the crisis are barrel-chested - suggesting that the atmosphere was oxygen-deficient (compared to today). Millions of years - but they left a record. Go figure - well, volcanics are a good suspect, not a comet: volcanoes spew for K's of years, a comet hits ONCE...
UKkid19 (1 year ago) Show Hide
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Our ancestors were lucky! Their relatives were to big (e. gorgonopsia) to get underground so they couldn't escape the heatwave
brown0922 (1 year ago) Show Hide
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hard to believe there was another extinction event a hundread and a few milllion years ago before the extinction event that killed the dinosaurs,
UKkid19 (1 year ago) Show Hide
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wow! It always baffles me when I think that our ancestors where in the lucky 5% percent that that survived, our ancestors have survived at least 2 mass extinctions!
prehistorymaster42 (4 months ago) Show Hide
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3, including the triassic-jurrasic extinction!
Icix1 (1 year ago) Show Hide
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Of course. If it was a full extinction we wouldn't be here.

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