reverse extinction is where an animals population rapidly starts to increase.
The reverse of the earths magnetism is not dangerous to humans as we do not rely on magnetism to guide us anymore. It will cause mass extinction of birds though.
Is extinction the word you're looking for ?
the answer to the question is extinction
They are the end-Ordovician extinction, end-Devonian extinction, end-Permian extinction, the Triassic extinction, end-Cretaceous extinction.
Extinction.
We can save them if there is a will there's a way there is a will if we work together we can do this Contrary to popular belief, the polar bear is in no immediate danger of extinction. In the 1970's, polar bears numbered less than 8000. Today, there are nearly 25,000 in the wild. They are listed as Threatened, or vulnerable by the IUCN.
The effect of mass extinction is extinction, death of a mass
the holocene extinction
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.
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.
Mass extinction - More than 50% of the population went extinct in a short period of time.Background extinction - An average rate of extinction occurred during a given time period.
Give a reason for the extinction of dinosaurs What species is now in danger of extinction