Fins and Fingers, Wings and Hooves
Apr 01, 2020
3 minutes
by Charlene Brusso
art by Thor Wickstrom
![askus2004_article_014_01_01](https://article-imgs.scribdassets.com/4hpayd66v47sqm9j/images/fileNMRMXQUV.jpg)
Your arms and legs don’t look like wings or fins. But the bones that make up arms and legs, fins, flippers, and wings all follow the same pattern. Why do animals that look very different on the outside look so similar on the inside? They have an ancient story to tell.
Animals with similar bone patterns are related. Their bones are similar because they all share a common
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