The extinction of dinosaurs occurred around

The extinction of dinosaur took place

The extinction of dinosaur took place

Age of dinosaurs is

[A]: Mesozoic era is known as the 'Age of Reptiles'. [R]: It was the era of origin, differentiation and final extinction of dinosaurs which thrived in sea, in air and on land.

[A]: Mesozoic era is known as the 'Age of Reptiles'. [R]: It was the era of origin, differentiation and final extinction of dinosaurs which thrived in sea, in air and on land.

[A]: Mesozoic era is known as the 'Age of Reptiles'. [R]: It was the era of origin, differentiation and final extinction of dinosaurs which thrived in sea, in air and on land.

If the fossil of an organism is found in the deeper layer of earth, then we can predict that ................ a.the extinction of organism has occurred recently. b.the extinction of organism has occurred thousands of years ago. c.the fossil position in the layers of earth is not related to its time of extinction. d.time of extinction cannot be determined.

Mass extinction of species has occurred during