Jimmy's dad comes home from grocery shopping and sees jimmy sitting on the sofa, eating chips and says "where's that boy of mine? " immediately, jimmy gives his dad the biggest smile, which spreads across his entire face. now, dad responds with an exaggerated surprised look and winks at jimmy. this is an example of what?

This is an example of: symbiosis.

Explanation:

In psychology, symbiosis refers to a relationship between two people in which one of them is dominant and the other over-dependent, both seeking to meet their needs. This kind of relationship might affect the development or independence of both individuals; usually the relationship is complicated when the dominant subject doesn't want to satisfy the dependent person's needs. In the paragraph, the dominant subject is Jimmy's dad and the over-dependent individual is Jimmy.

answer; biological;