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Mass extinction isn't a natural role in any life-system. They happen as a consequence of some catatrosphic disaster or radical unbalance in the eco-system. As a result of mass extinctions other 'groups' evolve into species that take the place of those exterminated.

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Which eras ended with a mass extinction?

Two major eras that ended with mass extinctions are the Permian-Triassic extinction event, which marked the end of the Permian period, and the Cretaceous-Paleogene extinction event, which marked the end of the Cretaceous period. These events had profound impacts on life on Earth, leading to the loss of a significant number of species.


Two-thirds of all terrestrial life disappeared in the last mass extinction approximately?

Two-thirds of all terrestrial life disappeared in the last mass extinction approximately 252 million years ago during the Permian-Triassic extinction event, also known as the "Great Dying." This event had drastic impacts on life on Earth, resulting in the loss of a vast number of species, including significant plant and animal groups.


What is cause background extinction?

It is the fate of most living things eventually to go extinct. standard commonplace rate of extinction not associated with a mass extinction.


What is it called in particular when a high percentage of the species on earth dies off at a particular time?

These are called "mass extinctions", and there have been five such events (that we know of) on the Earth. These are generally caused either by astronomical impact events (such as the asteroid that killed off the dinosaurs 65 million years ago) or massive volcanic activity. The causes of these extinctions has been a matter of some dispute, since they happened so long ago.


When was the first mass extinction?

540 million years ago was the first mass extinction

Related Questions

What are three processes that have affected the history of life on earth?

Three processes that have affected the history of life on Earth include natural selection, mass extinction events, and evolutionary diversification. Natural selection drives the adaptation of species to their environment, mass extinction events change the course of evolution by wiping out many species at once, and evolutionary diversification leads to the emergence of new species over time.


Why was the permian extinction called the great dying?

The Permian extinction is called the "Great Dying" because it was earth's largest mass extinction which wiped out as much as 95% of life.


How large was the Permian mass extinction?

95 percent of Earth's life was killed by hydrogen sulphide.


What would the impact of earth be if no ozone layer?

If there was no ozone, no life would be there. There would be mass extinction.


What is it called when a high percentage of the species on earth dies off at a particular line?

This would be called a mass extinction or mass die off.This would be called a mass extinction.


Is there going to be another mass extinction on earth?

Eventually yes.


When was the most rapid mass extinction?

The fastest extinction of life on Earth occurred 65 million years ago when over 80% of the earth's organisms went extinct. This occurred in a relatively short 2-5 million years,


How do you use the word mass extinction in a sentence?

We are still not sure what caused the mass extinction of the dinosaurs, though an asteroid impact seems to be the popular theory.Scientists believe we may be heading towards another mass extinction event.


How long was there no life on earth?

There is evidence to suggest that life on Earth first appeared around 3.8 billion years ago. However, there likely were periods of time when life faced significant challenges, such as during mass extinction events like the Permian-Triassic extinction around 252 million years ago.


When was the last mass extinction?

The Cretaceous–Tertiary extinction event 65 million years ago was the last mass-extinction, and many believe that humans are causing a mass-extinction right now.


What is the effect of mass extinction?

The effect of mass extinction is extinction, death of a mass


What is an example of mass extinction?

When the meteorite hit Earth and killed the dinosaurs.