Extinction event
Just before the beginning of the Triassic, Earth experienced its largest mass extinction - more than 90% of the planet's life-forms at sea and on land were extinguished.
Geologists are divided over the cause of this momentous crisis, but possible explanations include glaciation, climatic fluctuation and large-scale volcanic activity. Whatever the reason, it seems likely that the drastic reduction in the diversity of animal life consequently contributed to the rise of the dinosaurs.
Just before the beginning of the Triassic, Earth experienced its largest mass extinction - more than 90% of the planet's life-forms at sea and on land were extinguished.
Geologists are divided over the cause of this momentous crisis, but possible explanations include glaciation, climatic fluctuation and large-scale volcanic activity. Whatever the reason, it seems likely that the drastic reduction in the diversity of animal life consequently contributed to the rise of the dinosaurs.
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