Is There a Non Functional Precursor Wing?

i in wistes that this is a favourite problem. And you wat, what's the use of half a wing? But i was saying about the standed fiend on oectives before we get there. So so what is the argument that some non functional precursor wing would nevertheless bes foranYes, yes, i in wiste that this is my favourite problem. Ther theree therere a large number of animals that don't exactly fly, but slightly increase there. There's, for example, arboreal animalsm squirrels, say, leap from branch to branch.