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The coelacanth is known as a "living fossil" because its anatomy has changed little in the last 65 million years. Despite ...
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IFLScience on MSNSharks And Rays Have The Oldest Vertebrate Sex Chromosomes – And They’re Like No One Else’sSharks and rays have been found to have an XY sex chromosome system superficially like our own, but with its own unique ...
Paleontologists identified a new ancient reptile appendage. And, how fast did dinosaurs run? A longstanding equation for dino ...
Body coverings such as hair and feathers have played a central role in evolution. They enabled warm-bloodedness by insulating ...
Finely preserved brain features in a tiny marine arthropod fossil suggest that arachnids – spiders and their close kin – may ...
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