Cave- dwelling catfish and cave- dwelling salamanders share striking similarities: both organisms lack pigmentation and their eyes are reduced or absent.The most recent common ancestor to these organisms had normal pigmentation and fully developed eyes.The similarities between cave catfish and cave salamanders are an example of

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The similarities between the cave-dwelling catfish and salamanders are an example of analogy or convergent evolution. They evolved similar traits independently due to their shared environment and similar selection pressures, rather than inheriting those traits from a common ancestor with those characteristics.

Cave- Dwelling Catfish and Cave- Dwelling Salamanders Share Striking Similarities