So, would you claim that you can identify the wood that a bass is made from by sound alone? The wood will affect the sound to some minor degree because it will damp some frequencies more than others, but there are so many factors in that (not just the wood itself but the body shape, the routings, etc) that it's unlikely that any one piece of wood will affect the sound in exactly the same way as any other piece of wood from the same type of tree - in fact, even from the same tree. The effect that the wood has will be dwarfed by the effect of the strings, the pickups, the preamp or tone stack, plectrum or fingers, whether fingernails have been clipped for the fingers players, thickness of plectrum for the plectrum players, even the cable.