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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.
Why are dinosaurs extinct because of plants?
Dinosaurs did not die out because of plants. They died out because of a lack of plants after an asteroid impact blocked out sunlight for months or years. With all the plants dead, the dinosaurs starved.
What are two pieces of evidence used to support the theory that dinosaurs became extinct as a result of volcanic eruption about 65 years ago?
The dinosaurs died by a giant asteroid that hit Mexico.
Why are dinosaurs endangered?
dinosaurs are extinct not endangered
When did dinosaur's go extinct?
Dinosaurs became extinct 65 million years ago, at the end of the Cretaceous period.
A sentence with word extinct?
Dinosaurs are now extinct. There are many species of birds that are extinct.
What organisms went extinct when the asteroid hit earth?
That depends on which asteroid impact you are referring to, there have been several.The most recent, 65 million years ago, eliminated dinosaurs and several other species.
What make dinosaur extinct?
About 65 million years ago a giant asteroid hit the Earth in today's Mexico. It caused many climate changes, which killed the dinosaurs.
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 the dinosaurs in wonderland real?
No. Dinosaurs have been extinct for several million years.
Were dinosaurs extinct in the 19th century?
Dinosaurs became extinct millions of years ago. Dinosaurs died off long before humans came into existence.
How could an asteroid have the dinosaurs become extinct 65 million years ago?
The asteroid was about 6 miles across. When it crashed into what is now the Yucatan Peninsula, it threw so much dust into the upper atmosphere, that sunlight was blocked for months. Plants died without sunlight, and the herbivorous dinosaurs died without plants to eat. The carnivores soon died out, too, because their prey was gone. There is also evidence that the Chixculub impact preceded the dinosaur extinction by hundreds of thousands of years, until another, possibly larger asteroid struck eliminated the non avian dinosaurs once and for all. Even without the asteroids, dinosaurs were already dealing with the negative affects of climate change.
