Which behavior is typically not learned but is instead an inherited response?

The correct choice, instinct, refers to innate behaviors that organisms are born with rather than those that are learned through experience. Instincts are automatic and typically occur in response to specific stimuli. For instance, many animals exhibit instinctual behaviors that are crucial for survival, such as a mother's nurturing behavior towards her young or birds migrating at certain times of the year.

Imprinting, on the other hand, is a specific type of learning that occurs at a particular life stage, commonly observed in young animals like ducklings or goslings, which will attach to a moving figure they see shortly after hatching. Conditioned reflex involves learning through association, as demonstrated in Pavlov's experiments with dogs, where an external stimulus is linked with a response. Trial and error refers to a learning method where an individual attempts various responses until successful, which is clearly a learned behavior. All these exhibit learning processes, while instinct is a pre-determined response not reliant on prior experience. Thus, instinct accurately represents an inherited behavior.