Which of the following is the best example of a secondary (or conditioned) reinforcer? Group of answer choices applause for an excellent piano recital a spanking for eating cookies before dinner a cold root beer for mowing the lawn on a hot day termination of shock after removing one's finger from a live electrical wire

Often, a goby fish and a shrimp will live together in a burrow the shrimp has dug in the sand. the shrimp is almost blind and therefore is unable to see predators approaching when he is outside of the burrow. when the shrimp is in danger, the goby fish touches the shrimp with its tail to warn him. then, both go back into their burrow for safety. which type of relationship does this represent? a. mutualism b. parasitism c. commensalism d. predator/prey