Concept:Understanding the difference between learning and natural developmental changes.Explanation:Learning is a change in behavior that happens due to experience, training, or practice. It involves conscious effort and interaction with the environment.Maturity, on the other hand, refers to changes that happen naturally as a person grows and develops, guided by genetic programming. These changes, like a child learning to walk or talk at a certain age, occur without special training or conscious effort. Therefore, behavioral changes due to maturity are not considered learning.Experience and imitation are ways through which learning occurs. Training is a form of experience that directly leads to learning.Answer:B. Maturity