I think focusing on the similarity helps in reconstructing the evolutionary history of adaptations, enabling us to develop explanations for them. It is these adaptations in their most extreme form that we identify as differences, so in order to understand those differences, we need to focus on the similarities.
![[Image: extraordinarywoo-sig.jpg]](https://i.postimg.cc/zf86M5L7/extraordinarywoo-sig.jpg)