What is sideline?
what is lorenzine ampoule?

A sideline is an activity done in addition to one's main job, especially to earn extra income.

Lorenzini ampoule is a special sensing organ. They are mostly found in cartilaginous fish

Explanation:

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your answer is "the 1950's"

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