Bill, a middle school student, goes to the cafeteria, opens his lunch, and immediately feels hungry upon seeing his food. after a week of eating in the cafeteria, bill feels hungry as soon as he enters the cafeteria. after another week, bill becomes hungry when the bell rings to signify that it’s lunchtime, before he even gets to the cafeteria or sees his food. identify the stimuli and response.

I'm in a few lessons on eastern europe and i need me don't leave me hanging. : {

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

In one or two sentences, describe the narrator of "an easy goin' feller."