What derived character developed between ray-finned fishes and amphibians?

The first major groups of amphibians developed in the Devonian period, around 370 million years ago, from lobe-finned fish which were similar to the modern coelacanth and lungfish. These ancient lobe-finned fish had evolved multi-jointed leg-like fins with digits that enabled them to crawl along the sea bottom.

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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