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During the 4th Extinction, or Triassic-Jurassic extinction, 90% of all species died within just 10,000 years. The 4th Extinction was thought by many scientists to have been caused by massive volcanic activity or asteroid impacts resulting in severe climate change.

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What are the extinction of animals in the very distant past?

There were five major extinction events in the past. They are called the Cretaceous-Tertiary (or K-T) extinction event, the late Devonian mass extinction, the Permian mass extinction, the Ordovician-Silurian mass extinction and the Triassic-Jurassic mass extinction event.


What is the a period of time called when many species disappeared?

A major extinction event.


What was the second major extinction event?

i dont know y u askin me ;D


What is the name of the major extinction that preceded the Mesozoic era?

The major extinction that preceded the Mesozoic era is called the Permian-Triassic extinction event, also known as the Great Dying. It occurred around 252 million years ago and is considered the most severe mass extinction event in Earth's history, wiping out approximately 96% of marine species and 70% of land species.


What was the major event of the Jurassic Period?

i heard that it was the exsistance and extinction of the dinosours and the continuing breakup of Pangaea


What happened at the end of both the mesozoic and palezoic eras?

There were major asteroid impacts. #fuckschool #imheretohelp


What survived the extinction event of the dinosaurs-?

Avian dinosaurs survived the extinction event of the dinosaurs.


What evidence supports the idea that extinction is a natural event?

the idea that extinction evedince is a natural event


How do I use Permian Extinction in a sentence?

No, child, I was not a witness to the Permian Extinction. The Permian extinction event is the only known mass extinction of insects. The Permian extinction event occurred about 252 million years ago.


What is a synonym for mass extinction?

Catastrophic extinction event.


What major event in Earth's history began about 225 million years ago?

The major event that began about 225 million years ago was the Triassic-Jurassic extinction event, which marked the end of the Triassic Period and the start of the Jurassic Period. This event led to the extinction of approximately 50% of marine life species and set the stage for the dominance of dinosaurs in the Jurassic Period.


What is a very sudden elimination of a species from a catastrophic event?

I think it's extinction. ------------------------------- More specifically an "extinction event".