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The first dinosaurs appeared on earth about 250 million years ago just after the Permian-Triassic mass extinction. The Triassic dinosaurs weren't too fierce and they were mainly neutrally defensive, which means they don't attack unless provoked.
Wiki User
∙ 7y ago
Wiki User
∙ 15y agoThe first dinosaurs appeared 235 million years ago. All non-avian dinosaurs became extinct 65 million years ago.
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How did the triassic-jurassic extinction event create diversification in dinosaurs?
Dinosaurs first appeared in the middle of the Triassic period. The extinction during the Triassic-Jurassic periods allowed dinosaurs to grow to mammoth proportions.
During what era does fossil evidence suggest life first evolved on earth?
700,000,000,000 Years ago, after the Dinosaurs were killed by the asteroid.
What first lived on earth during the late Cenozoic era?
The plants, insects, fish and dinosaurs lived on earth during the late Cenozoic era. Now all that is left on the earth are the fossils.
Which organism can no longer be found living on earth?
dinosaurs
Did dinosaurs drink from springs fed by glaciers?
No, during the dinosaurs time there was no ice on earth and glaciers were non-existent
Dinosaurs first appeared in what period?
Dinosaurs first appeared in the tertiary stages of the Earth. Tertiary was when the dinosaurs ruled the earth. Then there was jurassic and then creteacious
What species appeared on earth first?
dinosaurs
When did dinosaurs first start roaming the Earth?
The first dinosaurs appeared about 230 million years ago.
Who was here first Jesus or dinosaurs?
Dinosaurs appeared on the earth before Jesus according to the present evidence.
Did sharks appear when dinosaur extinct?
No. Sharks appeared on earth long before the first dinosaurs did.
Who appeared in fossils first dinosaurs or mammals?
Dinosaurs first appeared shortly before mammals did.
Did Cave men ride dinosoaurs?
No, cave men did not ride dinosaurs. Dinosaurs went extinct millions of years before the first humans appeared on Earth.
When did the first T-Rex appeared on earth?
T-Rex is the short form on Tyrannosaurus. The first T-Rex appeared on earth during the early Cretaceous about 137 million years ago. "T-Rex" means the king of the dinosaurs. They were carnivorous and mainly eat smaller dinosaurs.
First dinosaur on earth?
According to the latest scientific studies, the first dinosaurs appeared on the earth about 230 million years ago. Zupaysaurus was one of the original theropods.
How did dinosaurs appear on earth?
The first dinosaur's appeared on earth at about 230 million years ago. the first dinosaur was called Eoraptorc, found in Argentina and Brazil. It was a small meat eating creature. Scientist think there may be older dinosaurs out there.
Are dinosaurs the first living things on earth or the birth of Jesus?
the dinosaurs of course
Who where the first people who died on earth?
dinosaurs
