ILL MARK AS BRAINLIEST!!adding a catalyst to a reaction ___ the amount of energy needed for the reaction to occur and it ___ the reaction

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food