Siteadmin, Upload, Automoderated users, edit
2,144
edits
Changes
Jump to navigation
Jump to search
Line 1:
Line 1: − Biologists and geologists generally believe that a mass extinction of dinosaurs happened 65 million years ago at the end of the [[Cretaceous Period]].+
Cretaceous-Tertiary Mass Extinction (view source)
Revision as of 14:30, March 29, 2007
, 14:30, March 29, 2007no edit summary
Evolutionary biologists and geologists generally believe that a mass extinction of dinosaurs happened 65 million years ago at the end of the [[Cretaceous Period]].
One explanation suggested was that it was the result of a meteor impact, but this idea was challenged on the grounds that no crater had been found.
One explanation suggested was that it was the result of a meteor impact, but this idea was challenged on the grounds that no crater had been found.