Jellyfish Lake, located on the Pacific island of Palau, is home tomillions of jellyfish. Many years ago, sea levels dropped and thejellyfish were trapped in the basin. The lake contains no predators,and the jellyfish’s sting has weakened. Jellyfish Lake is now a populartourist attraction where snorkelers can swim among the jellyfish.Explain how Jellyfish Lake is evidence for evolution

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