Miracle Planet Episode 4

Download or read book Miracle Planet Episode 4 written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: There was a moment in Earth's history, about 250 million years ago, when all life nearly disappeared from the planet. Scientists now believe the cuase was an eruption of the Earth's molten core that triggered global climate change. The resulting drop in oxygen levels allowed dinosaurs to rise to supremacy because of their respiratory systems. But in the Earth's continuing cycle of Extinction and Rebirth, they too would suffer a catastrophic end some 150 million years later. This episode follows these gargantuan creatures through life and death and chronicles the early rise of the mammal as the dominant creature on the planet.