Question

write a short note on dinosaurs​

Answer 1

Answer:

The word dinosaur means terrifying lizard. This name was invented by Sir Richard Owen in 1842. The oldest knowndinosaur is Eoraptor, a meat-eater that lived 228 million years ago. Mostdinosaurs hatch from eggs, and they could not fly or live in water.

Answer 2

• The prehistoric reptiles known as dinosaurs arose during the Middle to Late Triassic Period of the Mesozoic Era, some 230 million years ago. They were members of a subclass of reptiles called the archosaurs (“ruling reptiles”), a group that also includes birds and crocodiles.

• dinosaurs provide a wonderful way of talking to a young audience about all manner of scientific ideas and showing how things like geochemistry and biology can come together. They can also provide a great frame of reference for discussing issues in palaeontology.

• Famously, the dinosaurs met their end when a massive meteorite crashed into Mexico's Yucatán Peninsula around 65 million years ago. The extinction paved the way for the rapid evolutionary diversification of mammals...

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