Question

anything from wind patterns in both
hemi sphere s to population changes
in an urban center. information is shared
with researchers in other fields. scientists
who often work with geographers include
phys logists, who study forces that
change earth. geographical studies are
also useful to logists, who study
living things.

Explanation:

The sentence says "who study living things", and "bio" (from biology) is related to the study of living organisms. "geologists" study Earth's structure, "pathologists" study diseases, so "bio" fits to form "biologists" who study living things.

Answer:

bio