Which of the following is an inherited behavior?
a chimpanzee imitating the actions of a human
a cat that purrs when it hears a tuna can opening
a porcupine using its quills when scared
saying "" and " you" to be polite

Many of these options can be inherited based on the context. The only one i can see that is absolutely inherited is saying "please" and "thank you", because those are not built into a person. They are taught to a child so they can show respect when given something. The porcuipine using its quills when scared is the only instictive trait.

They both have rock surfaces