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It became extinct in the end of the Cretaceous Period. Witch was 65 million years ago.
Answer2: That dinosaurs existed abundantly throughout the earth, in an ancient landscape long ago vanished, is obvious from the fossil record. But these amazing creatures, along with countless other animal and plant kinds, passed out of existence. As to just when these things took place, paleontologist D. A. Russell states: "Unfortunately, existing methods for measuring the duration of events that happened so long ago are relatively imprecise."
Listing some speculations as to what happened to them, Princeton scientist G. L. Jepson stated:
"Authors with varying competence have suggested that dinosaurs disappeared because the climate deteriorated . . . or that the diet did. . . . Other writers have put the blame on disease, parasites, . . . changes in the pressure or composition of the atmosphere, poison gases, volcanic dust, excessive oxygen from plants, meteorites, comets, gene pool drainage by little mammalian egg-eaters, . . . cosmic radiation, shift of Earth's rotational poles, floods, continental drift, . . . drainage of swamp and lake environments, sunspots."-The Riddle of the Dinosaur.
It is apparent from such speculation that scientists are not able, with any certainty, to answer the question: What happened to the dinosaurs?
University of Arizona scientist David Jablonski concludes that 'for many plants and animals, extinction was abrupt and somehow special.Mass extinctions are not merely the cumulative effects of gradual dyings. Something unusual happened.' Their arrival was also abrupt. Scientific American observes: "The sudden appearance of both suborders of the pterosaurs without any obvious antecedents is fairly typical of the fossil record." That is also the case with dinosaurs. Their relatively sudden appearance and disappearance contradicts the commonly accepted view of slow evolution.
What else can I help you with?
When was Nodosaurus created?
Nodosaurus was created in 1889.
How did emus become extinct?
They are not extinct.
How did bears become extinct?
They are not extinct.
When did aardvarks become extinct?
They are not extinct.
When did the Sioux become extinct?
The are not fully extinct but nearly extinct.
Why do most species of animals become extinct?
Most become extinct because they can not adapt to changes in their environments. Those that can don't become extinct.
When did jaguars become extinct?
they aren't extinct
How did jaguars become extinct?
Jaguars are not extinct.
When did gorillas become extinct?
Gorillas are not extinct.
Will panda's become extinct?
In years maybe decades the panda will become extinct
Will redheads become extinct?
No, blondes are just as likely to become extinct as redheads are.
Is it true that no creatures has ever become extinct?
no, some rhinos have become extinct, like the Vietnamese java rhino.........and also dinosaurs have become extinct, by the meteorites
