Kareem no longer responds when his mother yells his name since he has become accustomed to hearing it. He is demonstrating a basic form of learning called:

habituation  

Explanation:

Kareem no longer responds when his mother yells his name since he has become accustomed to hearing it. He is demonstrating a basic form of learning called habituation. Habituation is the process when an innate response to a stimuli decreases due to the frequent or prolonged repetition of that stimulus. Habituation asserts that humans will ignore a stimuli after prolonged exposure to it.

Kareem no longer responds because he has been repeatedly exposed to his mother yelling his name .

well considering i can't see the graph, it's probably prices