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Mass extinctions have periodically reshaped the diversity of life on Earth, representing significant biological and ecological shifts. The most famous event, the Cretaceous-Paleogene extinction, occurred approximately 66 million years ago and led to the demise of the dinosaurs. Large-scale los of spe are of caused b catastrophic eve such a volcanic erup, asteroid imp, and cli change. T resulting damage to biodiversity disrupts ecosystems and alters evolutionary trajectories. Studying past extinctions provides insights into the resilience and adaptability of life, helping scientists predict and mitigate future biodiversity loss.
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参考答案：ses cies ten y nts s tions acts mate he