Changes within an area's climate may cause environmental changes,
such as when a lush, grassy area becomes arid and desert-like. What
will best help a species survive such changes?

Adaptation. As Charles Darwin Survival of the fittest theory states. The organism must be able to adapt to environmental changes or the organism can migrate to a new area.

Please vote my answer brainliest! Thanks.

Wikipedia aswell can be used to solve the following questions

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