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美国北卡罗来纳州立大学研究人员发现,从一块6800万年前的暴龙骨头里提取的蛋白质与在鸡体内发现的蛋白质类似,这进一步证明了恐龙与鸟类之间的进化关系。
Researchers at North Carolina State University found that the protein extracted from a tyrannosaur bone 68 million years ago resembles that found in chickens, further confirming the evolutionary relationship between dinosaurs and birds.