Each vertebrate subgroup is classified based on its common characteristics. Choose the vertebrate subgroup that is poikilothermic * 2 points

(a) Mammal

(b) Fish

(c) Reptile

(d) Bird

(e) Amphibian

What is the importance of a system of classification of living organisms?

Your gonna need to upload an image with the question : )

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

Compound light microscope