今天鳄鱼的祖先在两次大灭绝事件中幸存下来:研究揭示了它们长寿的秘密
Most people think of crocodilians as living fossils—stubbornly unchanged, prehistoric relics that have ruled the world's swampiest corners for millions of years. But their evolutionary history tells a different story, according to new research led by the
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