1. Organisms survive when they are not wiped out by accidents or don't accidently have deleterious mutations. They do not survive because of mutations, but in spite of them.
2. "Your" webpage was a reference to the webpage you linked.
3. I'll let you tell the biochemists that what they are doing is superfluous. I'm sure they will be pleased to get that information.
4. Bacteria were on the ark anyway -- they exist everywhere. But that aside, it was only the land and flying creatures with nephesh, or the breath of life, that were brought onto the Ark. You will also find that it was God who brought them to the Ark; Noah did not have to collect them.
In the meantime, back to the subject of the thread, I still wonder at those who consider internally-controlled cellular sizes a product of accident when the intricacies of cellular metabolism are such that no accident could have ever produced them.