How dinosaurs became extinct?
Whenever we think about prehistoric animals, we always think about dinosaurs. We all do know how dinosaurs became extinct- because of an asteroid. Bu what was that asteroid and what were the other challenges that dinosaurs had to face? We'll get to know about it all in this blog! So, what do we know about dinosaurs? Dinosaurs are huge prehistoric animals that came on earth around 245 million years ago. After that, they thrived for nearly 180 million years! They became extinct 66 million years ago when an asteroid crashed onto earth! Dinosaurs were extremely large. Why is that so? Well, this is because long time back the oxygen level on earth was extremely high, around 35% in the atmosphere! These helped land animals to increase their body masses and therefore grow to such a large size. The period between which dinosaurs thrived is known as the Mesozoic Era. The Mesozoic Era is further divided into 3 periods- Triassic period, Jurassic period, and finally Cr...