So when talking about "adaptation" above, we're definitely referring to physical/physiological (whichever is the proper term) adaptation and not behavior. Correct?
In that case, then yes, I agree that NOTHING adapts physically to its environment.
You can take an infinite number of dogs and place them all in the middle of the pacific ocean, thousands of miles from any land, and none of them will ever develop fins or gills before they drown. Some might get really good at swimming. But with no food, no fresh water and not being able to breathe under water, they're all shark bait.