What is a dinosaur giant dinosaurs were the biggest animals ever to live on land and Their closer living relative are chickens i know its impossible for us if we only think About it but because its from their DNA there were hundreds of different dinosaurs Around one hundred million years ago the dinosaurs started to began life and Roamed earth and they look liked terrible lizards which is what the word dinosaur Means meat eating dinosaurs had sharp teeth and powerful jaws but many dinosaurs Ate only plants dinosaurs had small brains and were not very intelligent Giant eggs Dinosaurs were reptiles like the reptiles alive today hatched from eggs unlike todays Lizards dinosaurs had legs that tucked under their body a lizards legs jut out at an Angle many dinosaurs were very big most dinosaurs had tough scaly skin the Dinosaur age around 165 mya the world was warmer then with no ice caps many Different species lived through this long span of time the age of the dinosaurs is Divided into the Triassic Jurassic and Cretaceous periods the death of the dinosaurs We have found out what we know about dinosaurs from the large bones and other Fossils that have been discovered these tell us hat the last dinosaurs died out about Sixty five million years ago scientist think that a huge asteroid crashed into the Earth at the cretaceous period explosion it may be that it was not an asteroid but a Huge volcanic eruption that killed the dinosaurs this would have blocked the suns Light and cooled the earth the same way The End.
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