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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.
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What caused the extinction of the devonian time?
superstorm
What are the areas on the geologic time scale?
Paleozoic Era- Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian Mass Extinction (Permian-Tertiary) 248 mya Mesozoic Era- Triassic, Jurassic, Cretaceous Mass Extinction (K-T) 65 mya Cenozoic- Tertiary, Quaternary
What are facts about the devonian period?
The Devonian Period is a part of the Paleozoic Era, which covers the time from 541 to 252.17 million years ago. It began with the Cambrian explosion, in which most phyla of life began, and ended with the mass extinction called the Permian-Triassic extinction event.
What caused the Devonian mass extinction?
No one knows for sure. Some people believe that an asteroid earlier in time hit Earth and caused massive climate change that killed off reptiles, but spared dinosaurs. Others believe that it was simply climate change.
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.
What are mass extinction and background extinction different?
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.
What geological events happened in the Cambrian time?
the mass extinction
The death of many species in a short time known as what?
Mass extinction.
What is the name for the modern era which began approximtely 65 million years ago with the mass extinction of the dinosaurs?
The Cretaceous period ended with the extinction of the dinosaurs. The period that followed the mass extinction was called the Paleocene. This was a time of the mammals.
How was the Triassic period ended?
The Devonian time period ended because of a mass extinction of several species of fish, amphibians and other types of reptiles.
What time period was considered The Age of Fishes?
The Devonian Period
What unit of geologic time followed the mass extinction of dinosaurs?
Jurassic period
