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A meteor hit the earth and caused severe condition that organisms could not survive.

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Why did scientist modify their theory about the extinction of the dinosaurs?

because they realised they were wrong.


What is ghost ranches theory for the extinction of coelophysis dinosaurs?

scientist say the die because of a flood and a drought


Scientist believe that a large asteroid struck earth approximately sixty-five million years ago It is often theorized that the event contributed to the?

mass extinction of the dinosaurs. The impact caused widespread environmental changes, such as cold and darkness due to dust blocking the sun, leading to a disruption in the food chain and ultimately the extinction of many species, including the dinosaurs.


How does the fossil record provide evidence for the Cretaceous tertiary extinction?

The Cretaceous-Tertiary Extinction was a giant asteroid that hit Earth and killed many organisms. It formed giant dust clouds and enough heat to cause a worldwide fires. The fossils of the dead organisms gave out a story to the scientists who were researching them. For example, a meat-eating dinosaur ate a plant-eating dinosaur during the Cretaceous-Tertiary Extinction. Soon after the meat-eating dinosaur ate the plant-eating dinosaur, the meat-eating dinosaur died. The fossil of the plant-eating dinosaur and the meat-eating dinosaur told a story to the scientist about what the meat-eating dinosaur did to the other dinosaur; then the other story to the meat-eating dinosaur. You're welcome :) -Ashley G


What term is defined as a scientist who searches for dinosaurs?

A scientist who studies dinosaurs is called a paleontologist.


How did dinosaurs start to egsist?

No one knows exactly how dinosaurs started to exist, but some people believe that they evolved from single celled organisms that lived in the oceans. Some scientist believe that dinosaurs might be related to lizards or to birds.


What scientist sudies dinosaurs and fossils?

Palaeontologists study fossils and dinosaurs.


Did dinosaurs evolve into birds before or after a meteor killed all the dinosaurs?

Birds evolved in the late Jurassic Period about 150 to 145 million years ago. This was about 90 to 95 million years before the asteroid impact that marked the K-T extinction event.Just a sub note that most scientist recognise that birds are a specialised branch of the therapod dinosaur. Birds are dinosaurs in the same way cats are mammals.


Which scientist dinosaurs?

Mainly archeologists and biologists.


What scientist that studies dinosaurs and fossils?

Paleontologist.


Is there such thing as a scientist that works with dinosaurs?

Dinosaurs have long been extinct, making it impossible for scientists to work with living dinosaurs.


How scientist know that dinosaurs existed?

Because they are alive today, birds are dinosaurs. And because of fossils.