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

Anonymous

∙ 13y ago

Updated: 11/24/2022

because they realised they were wrong.

Wiki User

∙ 13y ago

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

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Related Questions

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

scientist say the die because of a flood and a drought

Walter and luis alvarez think that a large rocky object is what?

Walter and Luis Alvarez proposed the theory that a large rocky object, such as an asteroid or comet, colliding with Earth caused the mass extinction of the dinosaurs. This theory is known as the Alvarez Hypothesis.

How does the theory of asteroid impact relate to the extinction of Dinosaurs?

I does not. The asteroid would of had to knock out the entire earth for that to happen. If you think of the facts it is just not possible.

What is mammal competition?

Mammal competition is a theory about the extinction of the dinosaurs. It says that mammals used up all of the dinosaur's resources, and then the dinosaurs died because they didn't have the food, space, and resources they needed to survive.

What was the alvarez asteroid theory?

The Alvarez hypothesis proposes that the mass extinction of dinosaurs was caused by a large asteroid impact on Earth. The impact released massive amounts of debris and dust into the atmosphere, blocking sunlight and leading to a drastic cooling effect that disrupted the global climate. This theory is widely accepted as a major factor in the extinction event that occurred about 66 million years ago.

Did the spliting of Pangaea kill the dinosaurs?

The most logical theory for the extinction of the dinosaurs is that a large asteroid impacted the earth. Look into it, this topic has many different theories and lots of different interesting information. The answer to this question can be opinionated and debated.

What is the volcanic theory for the extinction of dinosaurs?

For ten million years prior to the K-T Extinction that wiped out the dinosaurs, massive volcanic traps were erupting in India. They released massive amounts of greenhouse gases, which altered the climate. The altered climate had decreased dinosaur biodiversity to one tenth of what it had been by 65.5 million years ago. Some paleontologists believe that this is what wiped out the dinosaurs.

Why is the theory about the mammals eating dinosaur eggs not as strong as the theory of the dinosaurs meteorite extinction theory?

The theory of mammals eating dinosaur eggs is not as strong as the meteorite extinction theory because there is limited evidence supporting the former. The meteorite extinction theory, on the other hand, is supported by abundant physical evidence, such as the discovery of an impact crater known as Chicxulub and the iridium layer found in sediments worldwide at the time of the extinction. Additionally, the meteorite theory aligns with the rapid and widespread nature of the extinction event, providing a more plausible explanation compared to the predatory behavior of mammals.

What is another theory that gives an explanation for the extinction of the dinosaur?

Prior to the Asteroid Impact Theory of dinosaur extinction, one of the most popular theories for dinosaur extinction was the Flowering Plant Toxin Theory of dinosaur extinction. Flowering plants did not appear until just over 65 million years ago and many of them contain toxic plant alkaloids. The theory went that browsing herbivorous dinosaurs poisoned themselves eating flowering plants and built up high enough levels of the toxic alkaloids in their tissue that when carnivorous dinosaurs ate the bodies they were poisoned too. Extinction by this process was predicted to be slow, taking 3 or 4 million years. Dinosaurs never evolved the ability to taste the bitter flavor of these alkaloids, like mammals did who thus survived by avoiding the bitter plants. The current Asteroid Impact Theory is much prompter to eliminate the large dinosaurs, in some versions of the theory they went entirely extinct in only a couple years because they could not survive the icy cold dark winters lasting 2/3s to 3/4s of the year, following the impact for about a decade.

3 possible contribution of extinction of the dinosaurs between the creatceous and tertiary?

Impact event: The most widely accepted theory is that a large asteroid impact caused drastic environmental changes leading to the extinction of the dinosaurs. Climate change: Volcanic activity and changes in atmospheric composition could have led to significant climate disruption, affecting the food chain and ultimately leading to the extinction of the dinosaurs. Competition and evolution: The rise of new species, particularly mammals, may have outcompeted dinosaurs for resources, leading to their decline and eventual extinction in the Cretaceous-Tertiary boundary.

What is the current theory on the death of the Dinosaurs?

scientist think that a huge meteriod hit earth some dinosaurs died.the merteriod killed all plants the meats eaters died of hunger and the plant eaters died of hunger too.the meat eaters died because their food wich was the other dinosaurs died.the plant eaters died because the plants died of the metriod

What is the link between meteors and dinosaurs?

The link between meteors and dinosaurs is the theory that a massive asteroid impact led to the extinction of the dinosaurs about 66 million years ago. This event, known as the Cretaceous-Paleogene extinction event, is believed to have caused widespread environmental changes, including a dramatic cooling of the climate, which ultimately led to the extinction of the dinosaurs and many other species.

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