True. But propose an experiment. Take a bacteria with flagella, then create environmental conditions in which those flagella are not conducive to functioning well in that environment ( or, conversely, take a simple cell organism without flagella, and produce an environment in which they are necessary to function ), and slowly change the environment to produce the necessary changes ( intermediate forms ) for the characteristics to evolve.
Successful, this establishes a certain baseline case to formulate prediction, and have it verified by discovery. I haven't seen this yet.
Been away about 6 hours. Just got back from a friend's wedding party. All outstanding posts to me are gonna just fade into cyber oblivion.
Sex is a selective pressure, and it enables intervention. Thus, human beings selectively bred animals to elmininate unwanted traits and to maximize preferred traits. The examples are abundant.