Here's the biggest problem I have with the story of Noah's ark...
For forty days the flood kept coming on the earth, and as the waters increased they lifted the ark high above the earth. The waters rose and increased greatly on the earth, and the ark floated on the surface of the water. They rose greatly on the earth, and all the high mountains under the entire heavens were covered. The waters rose and covered the mountains to a depth of more than twenty feet.
Every living thing that moved on the earth perished--birds, livestock, wild animals, all the creatures that swarm over the earth, and all mankind. Everything on dry land that had the breath of life in its nostrils died.
Every living thing on the face of the earth was wiped out; men and animals and the creatures that move along the ground and the birds of the air were wiped from the earth. Only Noah was left, and those with him in the ark.
The waters flooded the earth for a hundred and fifty days." Genesis 7
Okay, only the animals... species... on the ark survived. Did anybody happen to mention that to this gal?
So, there had to be a pair of kangaroos on the ark... or would it have to be 8 kangaroos, since there are actually four different species called kangaroos... well unless they all evolved from just the one pair. Wait, no evolution. Anyway, just to keep it really simple, suppose there were two generic kangaroos on the ark. And, let's just ignore the question of where they came from before the whole Noah story. Because at disembarkation with Noah's family and the sheep, and the cattle, and the goats, and the crocodiles, etc., where did the kangaroo go? Australia, of course... and only Australia... none stayed in Turkey or Iraq, or Europe, or Asia, or traveled to Africa, or the Americas... only Australia. Not one left behind. No fossils or ancient drawings in any part of the rest of the world. Only Australia. Did they all swim? or did the kangaroos jump all the way from Ararat to Australia? Reniaa once tried to explain that Noah took lots of embryos on the ark... one would think that Moses would have mentioned that detail.
I don't think the kangaroos believe there was some flood that they survived in a boat that landed on Ararat and they ended up in remote Australia.
Bears are another story. Noah would have had to take more than a dozen bears that now live around the world. Nope, it couldn't have been just two, because it would take major evolution to result in the differences between polar, grizzly, panda, koala, spectacled, brown, black, etc.
It's a very logical and valid question how every species fit on the ark and how they got to their current home. To ancient minds, the flood story was completely rational, they only knew a few species that they ever saw in their lifetime. Yeah, that might have fit in the big floating box. Unfortunately for the Big Book of Jewish Fables, time has proven it to be out-of-touch with reality. It would have taken the space of multiple zoos to preserve the animals.
It just seems bizarre that creationists, like JWs, would laud sky-daddy for the biodiversity... when it all would have been destroyed at the Noachian flood... along with lots and lots of babies.