Why did mammals inherit the Earth after the dinosaurs vanished?
The K-Pg asteroid impact ended the Age of Reptiles by wiping out non-avian dinosaurs. This video explores the pivotal transition from a world dominated by reptiles to the rise of the Age of Mammals.
The K-Pg mass extinction, triggered by an asteroid impact, fundamentally restructured life on Earth. While the event decimated non-avian dinosaurs and concluded the Age of Reptiles, it also paved the way for a new era. The video examines the evolutionary shift that allowed mammals to triumph and occupy the ecological roles left vacant by the extinction.
Source: Why Wasn't There A Second Age of Reptiles?