There is simply no way for any unguided, unintelligent account of the unfolding of life to avoid the bane of helpful degradative mutations.
Behe offered the mousetrap as an example of a simple everyday device that is “irreducibly complex.”
Plants make food for everyone else, but they couldn’t do it without a lot of help from their microbial friends.
If engineers could make something like a seed, it would be absolutely phenomenal. Then, imagine getting the object to last for thousands of years and still work.
From the specific energy of visible light to the unique properties of water, this degree of improbability screams DESIGN.