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When did organisms suffer the largest mass extinction known?
The most devastating mass extinction occurred in the Late Permian (~250 million years ago).
What was the first major extinction event?
First major extinction (c. 440 mya): Climate change (relatively severeand sudden global cooling) seems to have been at work at the first ofthese-the end-Ordovician mass extinction that caused such pronouncedchange in marine life (little or no life existed on land at that time). 25%of families lost (a family may consist of a few to thousands of species).
What event ended the paleozoic and mesozoic era?
Extinction did.
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.
How mass extinction affected life on Earth?
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.
What is the effect of mass extinction?
The effect of mass extinction is extinction, death of a mass
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 mass extinction?
the holocene extinction
What may have caused the first mass extinction 65 million years ago?
The leading theory for the first mass extinction 65 million years ago is a catastrophic event such as an asteroid impact. This event is believed to have led to environmental changes that caused the extinction of the dinosaurs and many other species.
Can you use mass extinction in a sentence?
The dinosaurs fell victim to a mass extinction.
Is the Devonian time before or after the mass extinction?
Which mass extinction? There have been five such events. The first one, the Ordovician-Silurian extinction event occurred before the Devonian. The Late Devonian event occurred during the Devonian. All other mass extinctions occurred after the Devonian.
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.
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 are mass extinction and mass extinction related?
they r related by having the same family blood
What is a synonym for mass extinction?
Catastrophic extinction event.
What is mass depletions?
Mass depletion is an event in which extinction rates are higher than normal but not high enough to be classified as a mass extinction.
Relationship between extinct and mass extinction?
Mass extinction is when many animals go extinct within a short period of time caused by the same variables/factors leading to the mass extinction.
