Almost 400 years after its discovery, the process of metamorphosis is still a thorny conundrum for evolutionary biologists. But there are other aspects of the humble caterpillar that elude a satisfactory Darwinian explanation, like the origin of caterpillar prolegs. On this ID The Future, paleo-entemologist Dr. Gunter Bechly returns to share insights with us from another article in his popular Fossil Friday series.
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