Conservation Biology
The end-cretaceous refers to a significant geological boundary occurring approximately 66 million years ago, marking the transition between the Cretaceous and Paleogene periods. This event is widely recognized for triggering one of the most dramatic mass extinctions in Earth's history, resulting in the extinction of nearly 75% of all species, including the non-avian dinosaurs. The end-cretaceous event is linked to various environmental changes and catastrophic occurrences that reshaped life on Earth.
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