Describe two ways that birds and reptiles differ. use two particular animals as example in your description.

Birds such as eagles have feathers and reptiles such as a lizard has dry scaly skin. Birds are warm blooded, and reptiles are cold blooded.

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