What is a defining characteristic of organic food?

Organic food is defined by the methods used in its production, which adhere to specific organic standards established by certifying organizations. These standards emphasize sustainable farming practices, which include the avoidance of synthetic pesticides and fertilizers, the prohibition of genetically modified organisms (GMOs), and the promotion of biodiversity and soil health. Therefore, the defining characteristic that sets organic food apart is its production using these compliant methods. This ensures that organic food is not only grown without certain harmful substances but also promotes practices that are environmentally friendly and sustainable.

The other options do not accurately define organic food; they either describe possible attributes that may not universally apply or misrepresent common characteristics associated with organic systems.