I'm not sure what you mean when you say "like a wave." Are you referring to the fact that almost everything in biology falls into a normal distribution, whereas

I'm not sure what you mean when you say "like a wave." Are you referring to the fact that almost everything in biology falls into a normal distribution, whereas we currently produce each version of our machines in discrete increments (clonally)? Any machines that stand a chance of being a threat to humanity will rely on the same sorts of chemical processes that biological machines currently do. Where do you place viruses and obligate parasites on the machine-life spectrum?