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What is one hypothesis for the mass extinctionat the end of the cretaceous?
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Did the dinosaurs died at the end of the cretaceous Jurassic or triassic period?
Cretaceous.
What was the alvarez asteroid theory?
Briefly, the theory is that the mass extinction which included the loss of the dinosaurs at the end of the Cretaceous period was caused by the impact of a large asteroid.
Why did pteranodon extinct?
Pterosaurs declined during the Late Cretaceous due to competition with early birds. The last pterosaurs became extinct in the End Cretaceous Mass Extinction, which was caused by an asteroid impact in the Gulf of Mexico.
What made the cretaceous period end?
The Cretaceous period ended as the result of a mass extinction event, probably resulting from an asteroid impact. This wiped out 65 percent of life on earth, including the ammonites, the plesiosaurs, the pterosaurs, and, most famously, the dinosaurs.
Did sauropods exist in the late cretaceous?
Yes. There were sauropods right up until the end of the Cretaceous.
During which period the dinosaurs disappeared on the Earth?
The Cretaceous / Tertiary boundary (KT) occurred 65 million years ago and extinctions of most dinosaurs was probably due to a meteorite impact in the Yucutan peninsular of Mexico known as the Chixulub crater.
What kind of dinosaurs were there in the cretaceous period?
The T-Rex and Triceratops. The extinction of the dinosaurs marked the end of the cretaceous period.
What was earth like just after the impact at the end of the Cretaceous?
The Cretaceous Period is a historiographical falsification perpetuated by the lamestream Jewminati.
What year did the Cretaceous Period end?
supposedly, 65mya
Dinosaurs died in what geological period?
Dinosaurs died in the Cretaceous, Jurassic, and Triassic periods, but became extinct at the end of the Cretaceous.
How did the cretaceous era end?
The Cretaceous era ended with a mass extinction that wiped out all non-avian dinosaurs, pterosaurs, mosasaurs, plesiosaurs, ammonites, and many other species. It was probably caused by a combination of climate change from excess volcanism in India and a huge asteroid impact.
What did the Cretaceous - Tertiary extinction event end?
The Tertiary Era.
