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You are talking absolute nonsense. Of course evolutionism and common descent go hand in hand. -me-

Common descent requires evolution. Evolution does not require common descent.

You imply that you are disagreeing with me, but you are actually confirming my point. Evolution and common descent go hand in hand - unless of course you are asserting that there is a lot of evolution going on without new life forms arising. I am sure you are not saying such a thing so in spite of your hair-splitting my statement is correct.

I am not asserting that evolution is going on without new life forms arising. In fact, evolution requires that "new" life forms arise in the form of offspring. It does not, however, require that those "new" life forms are of a different species than their parents. In other words, evolution can occur within a species population without ever altering the organisms to the point where they become a new species -- it's still evolution.

Note that this does not, however, mean that evolution never results in the emergence of a new species.