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Biology 18 Online
OpenStudy (anonymous):

The largest mass extinction of the Paleozoic Era was:

OpenStudy (anonymous):

at the end of the Cretaceous at the end of the Permian at the middle of the Jurassic extinctions never happened

OpenStudy (koikkara):

what u expect....?

OpenStudy (anonymous):

B

OpenStudy (anonymous):

expect? what d you mean?

OpenStudy (anonymous):

thank you

OpenStudy (koikkara):

ofcourse, he was right... http://www.ucmp.berkeley.edu/paleozoic/paleozoic.php...... provide more details...

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