As this has been an ongoing discussion between him and I, I have heard his objections according to the various arguments posted here. So I guess I will just play devil’s advocate here with the objective of learning some things from you guys, plus it will make the discussion more interesting.
First to clarify.
It sounds like we have two classifications for this topic, cells and higher animals. If not please correct.
It sounds like this argument does not apply to cells as they do not reproduce with reproductive systems. If I say this I already hear the response - the statistic of 10 to the 40,0000 power to get the proper sequencing of enzymes/amino acids to produce a cell.
For higher animals. His argument is from one species to another. The definition of science is “observation” and “reproduction”. Science has never observed one species evolving into another, micro-evolution yes.
Then I hear mutations never increase information they just lose so the evolution would not be improved but decline.