If a tone causes a dog to salivate because it has been associated with the presentation of food, the salivation to the tone is called a(n):

If a tone causes a dog to salivate because it has been associated with the presentation of food, the salivation to the tone is called a conditioned stimulus.

This is because the stimulus of the salivation is associated with the presence of food, thus, food is the condition for this stimulus.

Bc they get tired from playing with other kittens