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🍅 How does a food system work?

Trace food from inputs to meals, then use boundaries, controls, measures, and trade-offs to see how the whole system shapes the result.

lessons

~12 min

to learn

🔬 Science

subject

Adults

level

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What you’ll learn

Start with the journeyDefine a food system as connected activities and conditions rather than a single route from farm to plate.Food systems include the journey of food and the people, rules, resources, and choices that shape it.
Map inputs and transformationsTrace inputs, changes, and outputs in a food-system process.Resources, materials, labor, energy, and knowledge support stages that transform food and create multiple outputs.
Find controls and trade-offsUse decision points and trade-offs to analyze risk, energy, and availability.Controls respond to signals and limits, while choices can shift benefits and burdens across the system.
Use the map carefullySet a boundary, choose a meaningful measure, and apply systems thinking without overclaiming.A good map states what it includes, measures the outcome it claims to study, and leaves room for uncertainty.

Questions this course answers

What makes a food system broader than a simple supply chain?

A food system includes linked activities and wider conditions that shape food from production through use and disposal.

Match each term to its role in a food-system map.

These roles turn a broad story into a traceable explanation.

Order a simple control cycle.

A control is useful when observation leads to comparison, response, and a follow-up check.

Grounded in trusted sources

https://www.fao.org/food-systems/en/
https://www.fao.org/food-systems/faq/en
https://www.fao.org/climate-smart-agriculture-sourcebook/production-resources/module-b10-value-chains/b10-overview/en/?type=111
https://www.nifa.usda.gov/topics/food-safety
https://www.energy.gov/cmei/ito/food-and-beverage-products

Every Wunder lesson is built from real, reputable sources — never invented.

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