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Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.
naming/writing/genes/culture
Maybe thinking about handwriting is a good starting point for your other questions as well? Yep, people can be "taught" to write in particular ways so "learning" can certainly be an influence on it. But if one has to "learn" a particular way, that suggests there is another way one might have written if one hadn't learned a particular way, so "character traits" and genes are probably involved as well? Maybe that's true for language and culture too? An interesting take on language/naming at Reviving the lost art of naming the world.