What behavioral trait is demonstrated by cockroaches regarding surfaces?

The correct answer highlights the behavior of cockroaches in relation to their need for stable resting areas. Cockroaches typically prefer horizontal surfaces for resting because these surfaces provide a reliable and stable platform. This behavior can be attributed to their anatomy, as their body structure is adapted for movement and resting on flat surfaces. Such surfaces also offer cockroaches a better opportunity to escape sudden threats as they can quickly scurry away.

Additionally, while it is true that cockroaches favor certain environmental conditions, such as darkness and moisture, these aspects are not specifically connected to the type of surfaces they utilize for resting. Options discussing attraction to light or specific environmental conditions may reflect other aspects of cockroach behavior but do not address their preference for horizontal resting surfaces. Thus, the emphasis on horizontal surfaces as a critical factor in their behavior helps to understand their adaptation and survival mechanisms.