We have absolutely no evidence that shows a species can become another species.
People who believe this are relying on faith.
Of course they are, along with every other person whose ass is parked in a church pew, because church is the only place where you'll ever find people who think this is how natural selection works.
Scientific illiteracy goes hand in hand with the abdication of reason and submission to a God of the Gaps.
For God's sake, Dovey, have the humility to be able to say, "I don't know!" or "I'm not sure!" instead of adhering to ancient myths and fables purporting to definitively define the structure--both moral and physical--of the universe once and for all time!
And you want to accuse others of being God? Really?
Here's an easy question for you: can you, at the very least, admit that belief in supernatural entities is but one path among a slew of others? (For the record, I
can admit that belief in supernatural entities is but one path--one "live option," if you will--among a slew of others.)