Underwater Ecosystems and Flowering Plants The oceans were equally vibrant and terrifying. The Reign of the Dinosaurs and Rise of New Life While the age of dinosaurs was peaking, the fauna of 100 million years ago was far more diverse than the iconic giants of the plains.
How the Splitting Continents Formed the Atlantic Ocean 100 Million Years Ago
However, these rulers shared the land with a stunning array of other creatures: armored ankylosaurs, horned ceratopsians, and the first birds, which were just beginning to take flight, flapping alongside their pterosaur cousins in the skies. Yet, if one could rewind the clock approximately 100 million years ago, the world would appear unrecognizable, a planet operating under alien rules of geography, climate, and biology.
The supercontinent Pangaea had long since broken apart, but the major landmasses were still in a state of dramatic rearrangement. Continental Drift and Its Consequences The movement of these continents reshaped ocean currents and global climate patterns, creating unique environments.
How the Continents Split and Formed the Atlantic Ocean
The Cretaceous World: A Greenhouse Planet Geologically, 100 million years ago places us squarely in the middle of the Cretaceous Period, an era that began roughly 145 million years ago and ended 66 million years ago. This geographic isolation was a primary driver of the Cretaceous’s extraordinary biodiversity.
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