Which statement about biological control methods is true?

The statement about biological control methods that is true pertains to the recommendation for modifying the environment to enhance natural enemies. Biological control focuses on using living organisms, such as predators, parasitoids, or pathogens, to manage pest populations. By creating or modifying environmental conditions that support these beneficial organisms, their effectiveness in controlling pests can be maximized. For example, installing habitats that provide shelter or food for natural enemies can lead to sustainable pest management and reduce reliance on synthetic pesticides.

The effectiveness of biological control can be highly context-dependent, and while it may not always outperform conventional methods, it is often part of an integrated pest management strategy. Therefore, enhancing the environment helps bolster the natural pest control processes that occur in nature, making option C a valid statement regarding biological control methods.