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there were 11 mass extintions.1 Precambrian(Paleozoic)2 Cambrian,3 Ordovician,4 Silurian,5 Devonian,6 Carboniferous,7 Permian.(Mesozoic)8 Triassic,9 jurassic,10 Cretaceous.(Cenozoic)11 tertiary, 0 quaternary/today.
Wiki User
∙ 15y ago
Wiki User
∙ 9y agoThe Earth has indeed experienced major mass extinctions during its history. One example of this mass extinct was the dinosaurs.
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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 do you form a sentence with extinction?
The Neanderthal's extinction happened many years ago. The extinction of the DoDo Bird made a great impact on the environment.
The largest extinction the world has ever known occurred at the end of which period?
The largest extinction event known is the Permian-Triassic Extinction Event, 250 million years ago. It is nicknamed "The Great Dying" in reference to how 96% of all known marine animals and 70% of all known terrestrial vertebrates at the time went extinct due to climatic changes because of volcanic eruptions and the formation of Pangaea.
How many dozen is in 1 gross?
A 'great gross' (a dozen gross) is equal to 144 dozen, or 12*12*12=1728 items.
What age of geologic time ended with the great extinction?
Well, there have been several "great extinctions" in earth's history, but the most recent one was the Cretaceous-Tertiary event, ending the Cretaceous. That was c. 65 million years ago.
In which era did the great extinction take place?
The permian erapermian
What is the name of the major extinction that preceded the Mesozoic era?
The Permian-Triassic extinction event. Also known as the P-Tr extinction or the Great Dying, where 96% of all life died out.
What are the release dates for The Daily Orbit - 2012 The Great Extinction 1-51?
The Daily Orbit - 2012 The Great Extinction 1-51 was released on: USA: 6 November 2012
How many things in a gross?
1 gross = 1 dozen dozens = 144 items (There's also a "great gross" . . . 1 dozen gross, or 1,728 items.)
Is the value of g equals 9.8m s constant?
No. It is an approximation for objects near earth, objects further away from earth experience less force and therefore dont have as great an acceleration.
What would trigger a climate change that can lead to mass extinction?
A large asteroid colliding with the Earth would trigger a great cooling that might lead to some extinctions.A large burning of fossil fuels (like we have been doing for 200 years) would trigger a great global warming that might lead to the extinction of all life on earth.
How do biologists estimate extinction rates?
Biologists estimate extinction rates in a great number of ways. One way is to document the decrease in population over time.
