Intelligent design is undemonstrated conjecture. It's an argument from ignorance. "I don't know how this came about... uh, god did it!"
There are MANY proofs of evolution that are of a sufficient degree to draw conclusions from in any other area of science.
There doesn't have to be a conflict between religion and science though. Why don't you just do the smart thing and say your god created the processes of micro and macro evolution instead of designing every little thing individually... it still fits into omnipotence, omniscience, etc. You can even say he made the processes such that the perfect creation (in his view) would result and not even seem created to us stupid humans.
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