Earlier quoted context omitted.
I understand the idea of selective breeding but GMO is more than that. It's very possible to move genes from very different organisms that would never be possible via selective breeding. The ones that come to mind are the glow in the dark organisms that used genes from 2 different types of animals that could never breed. https://www.youtube.com/watch?v=eCPtDVnaQ1w So no GMO does not equal selective breeding.
One alternative to GMO is to irradiate your organism until it randomly develops a mutation you like. It's not "GMO" and isn't labeled as such, because it doesn't involve the same technical steps as inserting a fish gene into a tomato, or whatever, but you end up with an organism with de novo mutations that do... well, something , probably many things, and if you're lucky, something you want, that you can then use sel…