of course change occurs, the environment will cause the change for us to adapt, the species stays the same.
Occuring change is evolution. You have just said of course evolution occurs.
Adaptation is occurring change and evolution. Change occurs by reproduction or nature. Adaption is by nature.
the species stays the same.
Which nomenclature? The nomenclature of species has been changed at least 4 times since Aristotle. A new species is defined as one so changed that it cannot breed with the original species as a Grey wolf and a sleeve Pekingese.