How do theists deny evolution?

...when natural selection is exactly what happens with your religions. Religions started off barbaric because that is how humans were. As people got smarter and could start explaining the natural world, religions died. Poseidon is useless because we know the moon controls the tides. now, that all these questions about the natural world have been answered, religion has evolved and survived to answer the only questions we have left, which are, where did we come from, and where do we go after we die. Seems pretty convenient that the most predominate religions have a "perfect" answer to these questions.