The Incredible Journey to the World Before the Dinosaurs | Earth History Documentary

🌍 Life appeared on our planet, more than 3.5 billion years ago. This one lived periods where the ice extended until the Equator, as well as as well as sweltering periods, without ice at the poles. The tropical forests of these geological eras have become, today, the habitat of reindeer. The sea level exceeded the current level by 200 m, transforming the continents into archipelagos. Then, it went down 100 m below the present level, creating stretches of land today submerged. The continents moved closer together, only to move further apart. The animals, 600 million years old, are like something out of a science fiction movie. Although dinosaurs are the undisputed stars of the Mesozoic period, we often forget that 400 million years before their existence, a multitude of animals preceded them. In one way or another, their universe mutated, following climatic changes, the lack of food or the arrival of new predators. Most species failed to adapt and became extinct. Nevertheless