Before this, the landscape was dominated by conifers and ferns, but the Cretaceous saw the rise of the angiosperms, which co-evolved with insects, birds, and mammals, forming the basis of the complex food webs we recognize today. Underwater Ecosystems and Flowering Plants The oceans were equally vibrant and terrifying.
Early Birds Flew Among Dinosaurs in Ancient Skies
This intense warmth was driven by high concentrations of carbon dioxide and methane in the atmosphere, creating a potent greenhouse effect. Standing on the surface of the Earth today, it is easy to view the familiar landscapes, cities, and ecosystems as a fixed and permanent stage for life.
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. 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.
Early Birds Soaring Over Cretaceous Landscapes Amid Dinosaurs
Continental Drift and Its Consequences The movement of these continents reshaped ocean currents and global climate patterns, creating unique environments. This period, known as the Cretaceous, was not a mere prelude to the age of humans but a dynamic and flourishing chapter in Earth’s 4.
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