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Best Dinosaur Extinction Video for Kids  

                                               Dinosaur Extinction

Dinosaurs went extinct about 65 million years ago. The die-off of the dinosaurs is known as the Cretaceous-Tertiary extinction event or K-T event. Those event is famed for the death of dinosaurs. Earlier, this event was believed to be caused by climate and geological changes. Russian astronomer Joseph Shklovsky was the first scientist to consider that the extinction was due to a single catastrophic event in 1956. Another theory supports the possibility of spreading any particular diseases.

Quick Facts: –

  • More than 90% of all organisms that have ever lived on Earth are extinct.
  • Although a mass extinction is a deadly event but it opens up the planet for new life forms to emerge.
  • Earth is continually bombarded by debris from space.
  • It is a very popular myth that dinosaurs went extinct because they were not fit enough.
  • Now, many scientists think that a sixth mass extinction is under way.
  • Some palaeontologists believe that small mammals ate dinosaurs’ eggs that led to their extinction.
  • Another concept is, there were many volcanic eruptions in the later Cretaceous period. Those eruptions were on a vast scale.
  • A giant meteorite had splashed into the sea and it would have created a tsunami, a massive one.
  • There is one more theory that suggests that a layer of rock dated precisely to the extinction event which is rich in the metal iridium.
 

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