An asteroid impact
An asteroid impact
A. Mesozoic era - Tyrannosaurus Rex lived during the late Mesozoic era, specifically in the late Cretaceous period. B. End of the Paleozoic era - The largest mass extinction event, known as the Permian-Triassic extinction event, occurred at the end of the Paleozoic era, approximately 252 million years ago.
There were major asteroid impacts.
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The likely contributors to the extinction event marking the end of the Mesozoic Era, known as the Cretaceous-Paleogene (K-Pg) extinction event, include a large asteroid impact on Earth, massive volcanic activity, and climate change. The asteroid impact at Chicxulub in present-day Mexico is considered a primary factor, causing widespread devastation and leading to the decline of many species, including the dinosaurs.
meteorite collision
There were major asteroid impacts.
A mass extinction
The Permian-Triassic mass extinction event marks the division between the Paleozoic and Mesozoic eras. This mass extinction, which occurred around 252 million years ago, resulted in the loss of about 90% of marine species and 70% of terrestrial vertebrate species.
An asteroid impact
The Mesozoic Era begins with the Triassic Period, which follows the mass extinction event at the end of the Paleozoic Era, known as the Permian-Triassic extinction event. This event, occurring around 252 million years ago, is the most severe extinction in Earth's history, leading to the loss of approximately 90% of marine species and 70% of terrestrial vertebrates. The recovery during the Triassic paved the way for the dominance of dinosaurs and the evolution of mammals in the subsequent periods of the Mesozoic.
The non-avian dinosaurs did not survive the mass extinction event at the end of the Mesozoic era, known as the Cretaceous-Paleogene extinction event. These reptiles went extinct, paving the way for the rise of mammals and birds.
A. Mesozoic era - Tyrannosaurus Rex lived during the late Mesozoic era, specifically in the late Cretaceous period. B. End of the Paleozoic era - The largest mass extinction event, known as the Permian-Triassic extinction event, occurred at the end of the Paleozoic era, approximately 252 million years ago.
That would be 251 million years ago. The end of the Paleozoic era marks the beginning of the Mesozoic. The last period of the Paleozoic era was the Permian, and the first period of the Mesozoic era was the Triassic; hence the extinction event (the biggest extinction event in the earth's history), the Permian-Triassic extinction, which defines the border between the eras.
Mesozoic era
There were major asteroid impacts.
The dinosaurs lived in the Mesozoic Era, which includes the Triassic, Jurassic, and Cretaceous periods. The first dinosaurs appeared in the late Triassic and went extinct at the end of the Cretaceous.