As we saw in my reply to Wintery Knight, he (like many other proponents of intelligent design or ID) propose that there are multiple, independent lines of evidence which favor intelligent design over its alternatives. Here is a partial summary of the evidence ID proponents offer.
- “Cosmic Fine-Tuning,” i.e., the initial conditions of the universe and the values of the constants of the fundamental laws
- “Biological Fine-Tuning,” i.e., the biological information in the first replicator (origin of life). This is Meyer’s argument in Signature in the Cell.
- “Zoological (?) Fine-Tuning,” i.e., the the sudden appearance during the Cambrian period of many new and anatomically sophisticated creatures in the sedimentary layers of the geologic column without any evidence of simpler ancestral forms in the earlier layers below. This is Meyer’s argument in Darwin’s Doubt.
- “Biochemical Fine-Tuning,” i.e., the presence of irreducibly complex biological structures such as the bacterial flagella. This is Behe’s argument in Darwin’s Black Box.
Indeed, the laws of the universe are so finely tuned, god “only” has to completely suspend them once or twice every hundred million years, when he suddenly learns that the laws of the universe are tuned so as to make crucial components of biological evolution physically impossible.
It is a clear prediction of the theistic hypothesis that a miracle working god would want to set up a world where he wouldn’t have to constantly perform miracles in order for life as we know it to exist, except for all the times he has to perform miracles for life as we know it to exist.