During this period, Earth's climate changed from hot and dry to ... Warm, moist, tropical breezes. This was the Jurassic, which took place 199 to 145 million years ago. At the start of the period ...

It’s possible that the release of huge amounts of sulphur dioxide and carbon dioxide significantly disrupted Earth’s climate. Up to 80% of all species died out as a result. But dinosaurs survived and ...

Jurassic and Cretaceous. During this era, the land gradually split from one huge supercontinent into smaller ones. The associated changes in the climate and vegetation affected how dinosaurs evolved.