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The shortcomings with natural selection is that it can't explain how an incomplete adaptation confers any advantage to its holder. Feathers for example. Obviously, they allow a bird to fly. Yet that isn't the only thing needed for flight. A bird has hollow bones to reduce weight. It has a gizzard and beak instead of a heavy tooth lined jaw for chewing food, this is important since it moves the center of weight to the middle of the bird, making it less front heavy and allowing a better balance for flight. A bird has air sacs located near the breast bone which pump extra air into the lungs as a boost during strenuous flight. And of course, feathers. This entire system is needed to make flight possible. How can an entire system evolve intact? A different example, the eye. Think how intricate the eyeball is, if any part is not working properly, it doesn't see correctly. And not just that. The muscles and nerves that connect to it must be working properly as well. And one more important thing; the neural connections within the brain itself that are needed to take the information given by the eye and use it to create the perception of sight. How can the perception of sight evolve? What good is a one percent eye? What advantage would that confer to an animal to allow it a slightly greater chance of survival so that its off spring would be more likely to survive and multiply? The entire sight system must be intact or it doesn't work. How would a 1% eye evolve into a 10% eye over time? These are intricate and complex systems, if any one component doesn't work or is not present, then the whole thing becomes a waste to the animal. Carrying around a non functioning 10% eye would seem to be a slight disadvantage to a creature. Have they found fossils of animals with undeveloped eye sockets? Of course, the religionists think that by discrediting evolution, they have by default proven the de facto existence of ID/creationism/God. No, knocking down one theory doesn't mean that some competing idea must then be more correct. If God created the Earth and put life on it, then why did he create the other planets and leave them uninhabited? What was the point? And if God created the heavens and the Earth in 6 days then rested on the seventh, does that mean that God got tired?