Their mouths are different. White rhinos are grazers that feed on grass and low vegetation, so they have a wide, square mouth and lips adapted to pulling up large swaths of grasses. Black rhinos are browsers—they get most of their sustenance from eating trees and bushes—so they have a triangular, hooked upper lip that can grab tree branches and pull down leaves.
Hope it helps
Answer:
<u>Motif,</u> i'm pretty sure this is correct because motif in narrative format is any recurring element that has symbolic significance in a story.