Select the largest, most inclusive biological level from the following choices.
a. organ
b. molecule
c. tissue
d. cell

An organ is the biggest out of all of these.  Organs are formed from groups of tissues and tissues are groups of cells.  A molecule is one of the small holes you see your hair grow out from.

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

Control variable- changedependant variable- stays the samechanging- food itemsdependant- presences of proteins