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No, not all at once. Throughout the 150 million year "reign" of the dinosaurs, all kinds of groups of dinosaurs have flourished then died out. Dinosaurs living in the Triassic Period were not the same as dinosaurs living in the Cretaceous period. However, the final blow to the dinosaurs that caused them all to die out was the K-T mass extinction that occurred 65 million years ago.
What else can I help you with?
Did dinosaurs become extinct AD or BC?
B.CAnswer:Although the majority of dinosaurs died out about 70 million years ago, the present day birds are evolved from theropods and are direct descendants of the dinosaurs. In that manner dinosaurs have not become extinct.
When did dinosaur's go extinct?
Dinosaurs became extinct 65 million years ago, at the end of the Cretaceous period.
Why are dinosaurs endangered?
dinosaurs are extinct not endangered
Are turkeys dinosaurs?
No. Turtle are from a branch of reptiles completely separate from dinosaurs.
What organisms in fossils are now extinct?
99% of all organism who lived once are now extinct, so a list would be more than extensive! Dinosaurs are the big fossils. Mammal fossils are big too. Human and proto-human fossils may be the biggest things in fossils ever.
What is the different between extinction animals and living animals?
Extinct animals are species that once existed but can no longer be found anywhere in the world. Dinosaurs are extinct as is the bird known as the Dodo. Living animals are still with us.Extinct animals are species that once existed but can no longer be found anywhere in the world. Dinosaurs are extinct as is the bird known as the Dodo. Living animals are still with us.Extinct animals are species that once existed but can no longer be found anywhere in the world. Dinosaurs are extinct as is the bird known as the Dodo. Living animals are still with us.Extinct animals are species that once existed but can no longer be found anywhere in the world. Dinosaurs are extinct as is the bird known as the Dodo. Living animals are still with us.Extinct animals are species that once existed but can no longer be found anywhere in the world. Dinosaurs are extinct as is the bird known as the Dodo. Living animals are still with us.Extinct animals are species that once existed but can no longer be found anywhere in the world. Dinosaurs are extinct as is the bird known as the Dodo. Living animals are still with us.Extinct animals are species that once existed but can no longer be found anywhere in the world. Dinosaurs are extinct as is the bird known as the Dodo. Living animals are still with us.Extinct animals are species that once existed but can no longer be found anywhere in the world. Dinosaurs are extinct as is the bird known as the Dodo. Living animals are still with us.Extinct animals are species that once existed but can no longer be found anywhere in the world. Dinosaurs are extinct as is the bird known as the Dodo. Living animals are still with us.Extinct animals are species that once existed but can no longer be found anywhere in the world. Dinosaurs are extinct as is the bird known as the Dodo. Living animals are still with us.Extinct animals are species that once existed but can no longer be found anywhere in the world. Dinosaurs are extinct as is the bird known as the Dodo. Living animals are still with us.
A sentence with word extinct?
Dinosaurs are now extinct. There are many species of birds that are extinct.
Are carnivorous dinosaurs instinct?
Extinct. Yes, ALL dinosaurs are extinct.
What dinosaurs do they have?
Nobody has dinosaurs; they're extinct.
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.
Are dinosaurs extnit?
No, but they are EXTINCT
What will happen to the dinosaurs in the future?
Dinosaurs are extinct and will not return in the future.
What major group flourished only after the dinosaurs became extinct?
the dinosaurs became extinct because the was kill of there family
Is extinct a noun?
No it is an adjective, extinction is the noun. Dinosaurs are extinct. The extinction of dinosaurs happened a long time ago.
When was Totally Enormous Extinct Dinosaurs born?
Totally Enormous Extinct Dinosaurs was born on 1984-03-07.
Will dinosaurs ever exist again?
They still do. Many scientists consider modern birds to be dinosaurs. But it is unlikely that they will develop into anything resembling "classic" dinosaurs. Once a group of animals goes extinct it is gone forever.
Were dinosaurs extinct in the 19th century?
Dinosaurs became extinct millions of years ago. Dinosaurs died off long before humans came into existence.
