Final answer:
The USDA ensures compliance to organic standards by setting requirements for organic food production, which includes the prohibition of most synthetic pesticides and fertilizers, thus promoting ecological balance and biodiversity.
Step-by-step explanation:
In summary, the entity that ensures compliance to organic standards is largely the U.S. Department of Agriculture (USDA), which regulates organic food products in the United States. They are responsible for setting requirements that define how organic foods are produced, mandating that most synthetic pesticides and fertilizers cannot be used on crops. The USDA Organic certification entails adherence to practices that promote ecological balance, and conserve biodiversity in accordance with USDA organic regulations. Furthermore, the Environmental Protection Agency (EPA) plays a role in reducing the risks associated with pesticide use on bee populations, an important consideration in organic farming due to its aim to protect and enhance environmental condtions.