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517-Million-Year-Old Predator-Prey Arms Race Discovered

1/5/2025

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Summary

Story summary

A groundbreaking discovery in South Australia reveals the oldest known predator-prey arms race, dating back 517 million years. A small shelled creature, akin to brachiopods, developed thicker shells to fend off a piercing predator. This pivotal study sheds light on the crucial role of predation in shaping early animal ecosystems during the Cambrian Explosion.

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Story summary

A groundbreaking discovery in South Australia reveals the oldest known predator-prey arms race, dating back 517 million years. A small shelled creature, akin to brachiopods, developed thicker shells to fend off a piercing predator. This pivotal study sheds light on the crucial role of predation in shaping early animal ecosystems during the Cambrian Explosion.