Answer:
C. The colors help the frogs recognize and communicate with one
another.
Step-by-step explanation:
The unique colors found on the the tree frogs are a form of structural adaptation. Adaptation requires to those features of a plant or animal that helps it survive better in its environment. There are behavioral and structural adaptations. The varieties of colors on the tree frogs are a form of structural adaptation.
Colors can serve as camouflage or a method of recognition and communication. Since the frogs have different colors, they will be able to differentiate themselves.