The correct answer is logos.
Reasoning: In the passage, the author argues logically about the disconnect between the perceived benefits of commercial development (like shopping malls) and the value of wildlife and ecosystems. By presenting examples such as the New Jersey Meadowlands and the rhinos in South Africa, he highlights the rational yet misguided priorities of politicians and wildlife traffickers who prioritize immediate economic gains over ecological preservation. This appeal to reason and logic—showing how decisions based on short-term economic benefits overlook the bigger picture of ecological value—strongly aligns with the use of logos.
Pathos would involve an emotional appeal, while ad hominem would attack a person's character rather than addressing the argument itself. Syntax refers to sentence structure and does not pertain to the type of argument used. Thus, logos is the best fit for this passage.