That is because no one is really sure, although it seems evident.
About 65 million years ago, at the end of the Cretaceous Period, the Earth was affected by major changes to its environment. Animal and plant life was plunged into danger. It may only have taken one of these changes to affect life on Earth, or perhaps it was a combination of several. Whichever is the case, one thing is certain: dinosaurs became extinct at this time. Many theories exist to explain how dinosaurs died out
Dinosaurs your are mom
About 65 million years ago, at the end of the Cretaceous Period, the Earth was affected by major changes to its environment. Animal and plant life was plunged into danger. It may only have taken one of these changes to affect life on Earth, or perhaps it was a combination of several. Whichever is the case, one thing is certain: dinosaurs became extinct at this time. Many theories exist to explain how dinosaurs died out.
Extreme Dinosaurs ended on 1997-12-24.
Walking with Dinosaurs ended on 1999-05-21.
Valley of the Dinosaurs ended on 1976-09-04.
Dinosaurs - TV series - ended on 1994-07-20.
The Persian Empire was brought to an end by who?
the dinosaurs died with this big meteor that came to the world and crashed the world
No. If you count birds as dinosaurs, they still exist. If you don't, dinosaurs became extinct at the end of the Cretaceous, not the beginning.
name three species of the Jurassic period dinosaurs whose length was measured at 30 feet or longer
he came out to be a bit premature
The Dinosaurs came
The T-Rex and Triceratops. The extinction of the dinosaurs marked the end of the cretaceous period.
No. Canids did not appear a few tens of millions of years after the end of the age of the dinosaurs.