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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.
Why did the microraptor become extinct?
The microraptor existed during the early Cretaceous period. It became extinct following the KT extinction event, which wiped out the majority of life on earth.
What is a sentence using the word extinction?
The moon crashing into the planet would be an extinction level event. The extinction of the dinosaurs occurred long before we were born.
Why did seed ferns become extinct in the late cretaceous?
Many organisms became extinct in the late cretaceous and even before the K-T extinction event. Possibly one reason is that seed ferns had been losing the battle to the rising tide of agiosperms ( flowering plants ).
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.
How did the hyenadon become extinct?
The hyenadon became extinct during the start of the Oligocene. There was a mas extinction event that was called Grande Coupure and causes temperatures to decline and killed many species of animals.
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.
What major event event occurred at the end of the Paleozoic era?
The Permian-Triassic Extinction Event happened at the end of the Paleozoic Era. It is widely recognised as the greatest extinction in Earths history. It was also known as the "Great Dying". 90% of all marine species, 60% of all land vertebrates and 58% of all genera of insects became extinct. It is the only known mass extinction of insects.
What survived the extinction event of the dinosaurs-?
Avian dinosaurs survived the extinction event of the dinosaurs.
What event occurred about 250 million years ago and caused about 90 of the species living in the ocean to become extinct?
The Permian-Triassic mass extinction, aka "the Great Dying", the single most devastating mass extinction known.
What evidence supports the idea that extinction is a natural event?
the idea that extinction evedince is a natural event
What living things happen in the Cretaceous period Did turtles and crocodiles become extinct .?
No, turtles,crocodiles, snakes and some plants survived the extinction event that wiped out the dinosaurs.
