An ecologist studies the relationships among organisms. the work of an ecologist will most rkely solve problems related to which societal probilem?

1. is through mitosis2.dna replication

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