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What was James Kirkland's theory on how dinosaurs became extinct?
Paleontologist James Kirkland was one of the first scientists to theorize that the dinosaurs became extinct because of an asteroid that slammed into the earth. It didn't take long for other scientists to come to the same conclusion and the theory is now widely accepted.
Some scientists think the what became extinct when one of these comets came crashing into the Earth?
Some scientists believe that dinosaurs became extinct when a comet crashed into Earth. This catastrophic event led to widespread environmental changes, including extreme climate conditions that likely contributed to the mass extinction of dinosaurs and many other species.
What major group flourished only after the dinosaurs became extinct?
the dinosaurs became extinct because the was kill of there family
What era did dinosaurs became extinct?
I think they became extinct at the end of the Mesozoic era
How do you know when the dinosaurs became extinct?
you don't because you weren't born yet but scientists say over a million years ago
When did the dinosaur's become extinct?
Non avian dinosaurs became extinct 65.5 million years ago, at the end of the Cretaceous. However, birds are considered dinosaurs. Because birds still exist, dinosaurs are not completely extinct.
What are the ratings and certificates for Rex the Runt How Dinosaurs Became Extinct - 1994?
Rex the Runt How Dinosaurs Became Extinct - 1994 is rated/received certificates of: Spain:T
Did primates evolve before dinosaurs became extinct?
no
Were dinosaurs extinct in the 19th century?
Dinosaurs became extinct millions of years ago. Dinosaurs died off long before humans came into existence.
When was dinosaurs in this world?
The last dinosaurs became extinct 65 million years ago.
How did dinosaurs change during the Cretaceous period?
No. If you count birds as dinosaurs, they still exist. If you don't, dinosaurs became extinct at the end of the Cretaceous, not the beginning.
How can you tell that dinosaurs suddenly became extinct?
time machine
