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  • The Paleozoic, Mesozoic, and Cenozoic eras comprise the most recent 10% of Earth's geologic history.
  • The Paleozoic era is marked by seven distinct periods. These consisted of dramatic climate changes, multiple life explosions, shifting continents, and new mountain ranges.
  • A mass extinction at the end of the Paleozoic era left only 5% of the species on Earth, which made way for the age of the dinosaurs (and lasted 150 million years).
  • The Mesozoic era had a warm, stable climate, leading to the development of rain forests and good conditions for dinosaurs.
  • The supercontinent Pangaea broke apart during the Mesozoic era. Over millions of years, continents assumed their present-day positions.
  • The first mammals appeared during the Mesozoic era.
  • Scientists think the extinction of the dinosaurs was most likely caused by several large events such as volcanism and impact from a comet or asteroid
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What is the name of the warm blooded animals that took over after the dinosaurs became extinct?

Mammals .


How long ago did dinosaurs live in the jurasic peirod?

Dinosaurs lived in the Jurassic Period over 145 to 200 million years ago. Dinosaurs became extinct during the Triassic period.


How do you know when the dinosaurs became extinct?

you don't because you weren't born yet but scientists say over a million years ago


Is all dinosaurs exstint?

Yes, all dinosaurs are extinct. They all went extinct millions of years ago. The exact cause of why they all went extinct is debated by scientist and anthropologist.


What happened to humans after the dinosaurs?

Dinosaurs became extinct at the end of the Cretaceous period that is almost 65 million years ago. Genus Homo evolved about 2.5 million years ago. On the other hand, we've changed the name of dinosaurs over the years; now they are called birds.


Were do dinosaur live?

Dinosaurs used to live everywhere, they were all over the earth


How many years did the dinosaurs walk the earth?

They lasted for over 160 million years until they became extinct as a result of the Earth being struck by a meteor about 65 million years ago..


When did the great reptiles inhabit the earth?

Not all the dinosaurs were huge, indeed some were very small. They and their reptilian ancestors lived over a period of more than two hundred million years. The last dinosaurs became extinct around 65 million years ago.


Did ice age and and dinosaurs era happened together?

We are living in a warm period of an Ice Age now, called an interglacial period. Dinosaurs became extinct over 65 million years ago but there have been many Ice Ages since they died out. There may even have been Ice Ages during the time of the Dinosaurs.


Why are scientists unsure as to why the dinosaurs became extinct?

It has to do with the food chain. Say if T-Rex are extinct, the animals it eats over-populate and take all the food or water. Slowly, all the animals start to become extinct. Or, if a certain animal becomes extinct, the things it eats over-populate and the things that eat it normally become extinct.


Where did the dinosaurs live at the time they went extinct?

All over. No continent or major island that didn't have its dinosaurs. Of course, for most of the "age of the dinosaurs" the continents were joined, so it was possible to walk just about everywhere.


Is there a connection between the Bible and the times of the dinosaurs?

A:No. The last dinosaurs became extinct around 65 million years ago. On the other hand, the Bible was written over a period of several hundred years, around two thousand years ago. Not only is the Bible of quite recent origin, its authors had no concept of dinosaurs and therefor did not mention them.