Sustainable food systems aim to provide enough food for everyone while minimizing environmental impact and promoting social justice.

Efficiency is not a key component of sustainable food systems, as it often comes at the expense of other important factors such as biodiversity, resilience, and equity.

Food upcycling refers to the process of transforming food waste into new products of higher value, such as animal feed, biofuels, or cosmetics.

Sustainable food systems aim to provide affordable and nutritious food for all, so higher food prices are not a benefit.

Polyculture refers to the practice of growing multiple crops or raising multiple livestock species in the same area, which can improve biodiversity and resilience.

Technological advancements can contribute to sustainable food systems by improving efficiency and reducing environmental impact.

All of the above terms refer to the practice of purchasing food directly from farmers or local producers, which can support sustainable food systems.

Efficiency is not a key principle of agroecology, as it often comes at the expense of other important factors such as diversity, resilience, and equity.

Food management refers to the practice of reducing food waste by planning meals, using leftovers, and storing food properly.

Sustainable food systems do not necessarily lead to higher profits for farmers, as they often require more labor and investment.

All of the above terms refer to the practice of using microorganisms to break down organic matter and produce nutrients for plants.

Overproduction is not a key challenge facing food security in developing countries, as they often struggle to produce enough food to meet their needs.

Vertical farming refers to the practice of growing crops in vertical layers, often in urban areas, to maximize space and resources.

Sustainability is not a key principle of food justice, as it is more concerned with social and economic justice than environmental sustainability.

Crop rotation refers to the practice of rotating crops in a field to improve soil health and reduce pests.