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tl;dr: they found fossils illustrating the evolution of teeth into ear bones
MVP
So how do these bones in our ears help mammals survive? Not really seeing the link here. Weak article.
You don’t see how the sense of hearing is an evolutionary benefit?
Hearing existed before mammals. That’s the issue. How do bones being involved in hearing help?
It’s much more sensitive, and much more suitable to hearing in air on land, as opposed to underwater in pre-mammalian amphibians.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5243258/#Abs1title
Thank you for that answer. This is what the original source was missing.
