'Spandrel' is the technical term for a feature that is the byproduct of some other evolutionary adaptation https://en.wikipedia.org/wiki/Spandrel_(biology) htt

'Spandrel' is the technical term for a feature that is the byproduct of some other evolutionary adaptation https://en.wikipedia.org/wiki/Spandrel_(biology) https://en.wikipedia.org/wiki/Spandrel_(biology)