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'Living fossil': the blue-blood arthropod that has changed little in 445m years
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'Living fossil': the blue-blood arthropod that has changed little in 445m years

Horseshoe crabs are fascinating creatures that have been around for an astonishing 445 million years! Often dubbed 'living fossils', these unique arthropods have a striking blue blood that plays a crucial role in medical testing. They may look like something out of a prehistoric movie, but they are surprisingly resilient and can adapt to changing environments. Unfortunately, rising sea levels and habitat loss pose new threats to their survival, but experts believe they have the tenacity to endure.
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