Every morning at the same time, john went into the den to feed his new tropical fish. after a few weeks, he noticed that the fish swam to the top of the tank when he entered the room. this is an example of

This is an example of classical conditioning.

Explanation:

Classical conditioning is the process by which a live being learns and acquires a certain behavior by association to stimulus.

The unconditioned stimulus pairs with a neutral stimulus and this becomes a conditioned stimulus which triggers a conditioned response, previously unconditioned.

In this case, John has been feeding his fish and now they associate John arriving to them receiving their food, the stimulus. They have learnt to swim to the top of the tank by associating which is an example of classical conditioning.

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answer; ///the declaration of independence;