CNN Top News - Snakes had back legs for 70 million years before losing them, new fossil shows

2019.11.21 12:05

Snakes had back legs for 70 million years before losing them, new fossil shows

마린

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Snake evolution has intrigued scientists for years because they knew that these complex vertebrates once had limbs and adapted over time to live without them in dramatic fashion.

원문출처 : https://www.cnn.com/2019/11/20/world/snake-evolution-hindlimbs-scn/index.html

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