As a Christian, I believe that the universe and its living creatures are the products of intelligent design. This belief is not merely derived from theology but is also supported by rational considerations. There is enormous intelligence embedded in the laws of nature. The greatest scientists over the past few centuries have worked to decode the intelligence mysteriously imprinted in the workings of nature. Scientific laws, as spelled out by Kepler, Newton, Einstein and others, reveal nature as exquisitely orderly. So who encoded this intelligence in nature?
Since the universe had a beginning, how did it get here? There is no natural explanation, since the universe includes all of nature. It is more than absurd to posit that the universe caused itself. The most reasonable explanation is that our rational universe is the product of some super-rational or omniscient intelligence. An intelligent designer is not the only explanation, but it certainly is the best explanation.
How the creator went about His business of making the universe and its life forms is another question, and this is a question for science to answer to the degree that it can be answered. Darwin's theory of evolution posits that chance, mutation and natural selection largely account for the transitions between one life form and another. Man, as an animal, is also the product of evolution, having descended from the same evolutionary "tree" that produced gorillas and chimpanzees.
Did God order things this way? Certainly if you read the Bible you would never predict Darwin's theory of evolution. But neither from the Scriptural accounts could one predict that the earth goes around the sun. The Bible is not and does not purport to be a science textbook. It takes no position, for example, on the heliocentric theory. Unfortunately, in past centuries, many Christians interpreted a few casual references to the sun "rising" to mean that the earth must be stationary and the sun must revolve around the earth. These interpretations were hasty, to say the least: the Bible is describing sunrise from a human or experiential perspective. Still, these narrow-minded Christians opposed Copernicus and Galileo until they were forced to admit that they were wrong. It wasn't the Bible that was mistaken; it was the foolish certainty of its interpreters that was exposed and discredited.