Biology might be able to have some interaction with parts of the brain commonly involved in language processing. Which invariably could have secondary effects on how individuals, and maybe even a culture communicates and develops language.

Beyond that though you might be reaching a bit. And I don't think you're necessarily accounting for how distinctly different language rules can be, which can affect how strict or how flexible grammar, syntax, etc etc.

Biology might be able to have some interaction with parts of the brain commonly involved in language processing. Which invariably could have secondary effects on how individuals, and maybe even a culture communicates and develops language.

Beyond that though you might be reaching a bit. And I don't think you're necessarily accounting for how distinctly different language rules can be, which can affect how strict or how flexible grammar, syntax, etc etc can be.