Given that bacteria can reproduce very quickly , what prevents them from overpopulating the world ; explain

Bacteria multiply by division; one bacteria divides and becomes two they become four the eight and so on. Assume the bacteria doubling time is 1 minute. Like one bacterium in placed in a jar at 11 am then when it is observed at noon the jar is full. I can not tell what prevents them from overpopulating the world but I hope you can.

Antibacterial cleaners and food chains stop the overpopulation of bacteria

Are you asking about a street map usage  if so here is your answer  a street map for a very limited area could simply be a bit map or a .jpg image.  but a more general map would probably store the streets as vectors.  but you shouldn't assume that there is one way to do it