"Evolution-vs-Intelligent Design - See if anyone can intelligently answer these...?
If evolution is true..."
Oh, god...
"Then why do males have nipples?"
Because very early on they were female and females tend to need them. I can't believe you didn't know this. If this is how you start I'm curious to see what kind of zinger you'll end with.
"Why do animals, taken from the wild, and made into every possible hybrid imaginable, always revert back to their original state...when left alone?"
What the fuck are you talking about?
"Why aren't there thousands of species of intermediates, with scales, feathers and fins (actually there should be billions)?"
Because evolution doesn't produce chimeras. Chimeras would, in fact, completely invalidate the whole of evolution. Perhaps you creationists should be out in search of them.
"Why does every crossing of species only take place by the hand of man, but not in the wild?"
Says who?
There are recorded instances of polar bears mating with grizzly bears, though its very uncommon. Male marine iguanas are known to mate with female land iguanas. Hybrids between black and white rhinos have been documented. Then there's the very rare Wolphin, which is a hybrid between a false killer whale and a bottlenose dolphin.
And that was with a Wikipedia search that took me all of 2 minutes to both search and read, you lazy bastard.
"Why does every hybrid species only produce a sterile/infertile mutation that soon does out?"
Genetics, dear boy. Genetics. Read up on the biochemistry involved.
"Why do they say it takes billions of years for a creature to go from a water-based life, with fins and gills, to a land-based one, with legs and lungs...when a certain species of frog in Africa can do it in 4 days?"
Just one? Last I heard all fucking frogs do this when they go from a tadpole to a frog. It's called metamorphosis you twit and it's not evolution, it's part of the creatures life cycle.
"Why is the DNA of a rattlesnake closer to that of humans than a chimpanzee?"
Uh, it isn't. Smack whatever stupid fucker you got that idea from.
"Why is the smartest species of animal a bird, and not an ape?"
First, we are apes and, last I checked, we had this "smart" thing down pretty good. Well, most of us anyway.
Second, define "smart". Good luck. Most researchers can't seem to pin it down when dealing with anything other than humans and even then there's debate about what "intelligence" is.
"If intelligent-design creationism is impossible, then where did the idea of God come from?"
Thunder. Maybe lighting. Possibly fire, but that was probably started by the lightning.
Or any number of other seemingly unexplained occurrences that early humans experienced.