It's clear you're the one who doesn't understand it.
You're arguing semantics. Nobody is saying the environmental impact isn't affecting biology. I'm saying it does and that there's a distinction between a difference that is due to an environment vs one that is purely genetic. If you take two seeds from the same plant and grow them in different settings, the difference is environmental by definition. The genetics haven't changed, only the environment. If you take 2 seeds from different strains and grow them in the same environment, the difference is purely genetic. Since in the real world the conditions aren't nearly so stable, most things are a mish mesh of environmental and genetic factors which are hard to disentangle irl.
Going back to learned behavior vs instinct.. a simple Google search would show you that you're wrong. Don't try to posture with me and act like you have some expertise that we don't. I see right through it.
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