Whose work first revealed that jellyfish are among the oldest ocean animals still alive today?
Quick Answer
The ancient origins of jellyfish were established through fossil evidence and modern evolutionary biology, not a single discoverer. Scientists now know jellyfish-like animals date back more than 500 million years.
The Full Story
No single scientist discovered that jellyfish are ancient, but paleontologists and evolutionary biologists pieced together the evidence. Fossils and genetic studies show that jellyfish and related cnidarians are among the oldest animal lineages on Earth, with origins more than 500 million years ago. Their simple bodies have persisted through multiple mass extinctions. This makes jellyfish important for studying the early evolution of animals in the oceans.
Key Facts
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