What is being discussed here is how is that possible.
Fisherman, You are limiting the scope of the discussion. The OP asks for a real life solution, if possible, to a fictional setup in the literary master piece, the Bible. Doing so would create an aura, inject a sense of reality, into the whole made up talking snake story. Why not turn the problem around, and question the proposed situation on the basis of reality? After all,
The second, super Adam did not outperform the original in any way, except words, and even those are suspect, having been written ~40+ years after the " fact".