Most scientists believe that the extinction of non-avian dinosaurs occurred due to a catastrophic asteriod impact called the Cretaceous-Tertiary extinction event.
Based on fossil evidence, modern day birds evolved from dinosaurs that were not killed as a result of the Cretaceous-Tertiary extinction event.
Two main camps exist in paleontology today, each having a different view of what
killed the dinosaurs and other organisms at the K-T boundary. Controversy ...
Jul 29, 2014 ... While it's widely accepted that dinosaurs were made extinct by a ... the last piece
of bad fortune in a run of poor luck that killed the species.
Dec 11, 2014 ... Prior to 1980, the exact cause of dinosaurs' demise was unknown; one
hypothesis proposed that they were killed off by massive volcanic ...
Feb 11, 2013 ... New insights about the asteroid thought to have killed off the dinosaurs suggest it
may have just been the final blow, and that the reptiles were ...
In just a few years, according to this hypothesis, these frigid and sweltering
climatic extremes caused the extinction of not just the dinosaurs, but of up to 70 ...
In the search for answers to what killed the dinosaurs, scientists have looked
beyond fossils. Geological evidence also holds clues and has contributed to
According to scientists who maintain that dinosaur extinction came quickly, the
impact must ... to what killed the dinosaurs, scientists have looked beyond fossils.
Get the full story behind the extinction of the mammoth species that once roamed
www.ask.com/youtube?q=What Killed the Dinosaurs?&v=1iNcRJGzzxs
Aug 16, 2014 ... What wiped out the dinosaurs? Most of us were taught it was a killer asteroid --
which is true. But it turns out there was more than one disaster ...