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What else can I help you with?
When doe extinction occur?
Extinction of a single species can occur at any time if said species in hunted excessively, but mass extinction only occurs every 27 to 33 million years.
When did the mass extinction that killed dinosaurs occur?
In the Late Cretaceous (65 million years ago).
Approximately when did the mass extinction of dinosaurs occur?
The mass extinction of dinosaurs occurred around 66 million years ago during the Cretaceous-Paleogene (K-Pg) boundary.
When was the first mass extinction?
540 million years ago was the first mass extinction
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 are 3 reasons for mass extinction?
Mass extinction could occur due to climate change, an asteroid impact and even a volcanic eruption.
Who disappeared during the last mass extinction?
Notable extinctions during the last mass extinction included all non-avian dinosaurs, pterosaurs, plesiosaurs, and ammonites.
How do you know a mass extinction actually did occur?
No evidence of the extinct lifeforms appears in the stratigraphic record immediately following the extinction event.
Was there a mass extinction during the last ice age?
Many geologists consider what you call the "last ice age" to be the last glacial of the present Ice Age, with the ice retreat starting only about 10-12ka. There was no mass extinction. A good many species did migrate or disappear altogther as the ice retreated, but in no way was it a mass extinction.
When did the three mass extiintion happen?
The three mass extinctions referred to are the Permian-Triassic extinction about 252 million years ago, the Triassic-Jurassic extinction about 201 million years ago, and the Cretaceous-Paleogene extinction about 66 million years ago.
What is the effect of mass extinction?
The effect of mass extinction is extinction, death of a mass
When did the cretaceous mass extinction happen?
500 years ago
