The variable that is being altered in an experiment is the variable, while the variable that is being measured and will change depending on the variable that was altered is

producers: apple trees, potatoes, carrots, grains, acorns, cabbage, grass, corn, lettuce

consumers: deer, mice, rabbits, chickens, squirrels, horses, worms, cows

predators: eagles, frogs, wolves, owls

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this