Four-legged animals

Fish reared on land replay the transition to four legs

It was one of the key events in the evolution of animals – and now it has been replayed in the lab. Evolutionary biologists reared air-breathing fish on land for eight months and found that the...

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#evolution of animals #evolutionary biologists #air-breathing fish #tetrapods #four-legged animals #Bichir fish #Polypterus #University of Ottowa

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