"The use of the word "isolated" implies they can only breed within the group, but this simply isn't true as there are many examples of interspecies hybrids."

I'm not sure what definition of "isolated" you draw from, but I meant it only in the basest physical sense; an isolated breeding group is a breeding group physically separated from other like groups. I'm well aware of species hybridization; I never claimed it didn't exist.

"What is a "kind"? How do you define "like animals"?"

A group of animals with similar characteristics.

"Okay, the reason I suggest your lack of understanding is because you speak of DNA as if there is a limited supply of it and that's simply not the case. I will agree everything that is physical is finite, but to what degree? Hydrogen is also finite, but it's also the most common element in the universe and there's hardly a short supply of it. When you get down to the basics of what DNA is composed of, it's largely hydrogen, oxygen, phosphorus, and nitrogen; hardly elements that are in short supply."

Are you suggesting that because the base components of DNA are readily available, DNA itself is inherently abundant? The quantity of DNA in existence is irrelevant; I was referring to the limited capacity for information of the structure itself, not how much there is of it.

" As far as your conclusion is concerned, I did address it when I stated evolution does not suggest one species will breed a completely different species but rather gradual change over time (millions of years)."

And yet, it has to! Only if all organisms we see today were present at the beginning of life can it be said that organisms can't alter themselves into dissimilar organisms. If all life were to have a common ancestor, obviously that ancestor would have had to alter itself into many dissimilar organisms. Which is it?

"I also want to jump back to something you had said in a previous argument that, "The problem with this idea is that DNA, being physical and thereby finite, is capable of storing a finite amount of data, and thus capable of finite variation." You never explain on what basis you make this claim as for example the human body, on average, contains 10-20 billion miles of DNA. Given the variation that can exist within a single DNA molecule and the variation that can take place within the 10-20 billion miles, sure it may be finite, but if you do the math (which I'm not going to bother with) the possible variations are so immense you could argue it to be infinite."

To reiterate, I'm not arguing the quantity of DNA present. I'm simply referring to its ability to store and apply data. As previously stated, the quantity of DNA in existence is irrelevant: I haven't done a great deal of research on the subject, but I doubt organisms are simply vessels for a random mix of DNA. In other words, you can have as much as you want, and it could theoretically have an incalculable number of variations, but that ignores the fact that organisms are structured things, having DNA that, by design, have like DNA.