The issue lies with the term "Evolution" itself...I've spoken to many a dub who is so confused as to how anyone can believe Evolution because they will say "But it is impossible for life to start from nothing".
Thus, they mix up Abiogenesis and Evolution.
Evidence for Evolution exists...whilst Abiogenesis, there is no proof, or none on the same level as Evolution.
Even the WT gets confused at these terms as they say Evolution is false yet happily admit that species can adapt to the environment or other factors..they simply refuse to acknowledge cross-species evolution of course...