Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: Some scientists have suggested that pandas may be more closely related to raccoons than to bears. What could scientists compare between pandas and the raccoons to help classify the panda more accurately?
Genetic material, morphology, behavior.