This is true if we assume our conclusion.
Please explain.
Read again
Let me suggest you form your prior comment as an argument rather than as a statement of fact. It would help expose whether circular reasoning is present or not.
ETA: Ask yourself whether you are making an a priori argument.
Let me suggest that I am informing Michael of what an article on a web site says. Get a clue.
Yes, I was asking which aspect of evolution would be assumed to affect this kind of change. It seemed that natural selection would be the likely one.