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What must subterranean termites maintain to survive?

  1. Elevated temperature

  2. Contact with moist soil

  3. Proximity to sunlight

  4. High humidity levels

The correct answer is: Contact with moist soil

Subterranean termites are dependent on a consistent source of moisture to survive, which they obtain through their contact with moist soil. This connection to damp environments is crucial for their hydration, as they can easily desiccate without adequate moisture. Given that subterranean termites build their nests below ground, they thrive in soil that retains moisture, allowing them to maintain their colony and continue their activities, such as feeding on wood and other cellulose materials. While elevated temperatures, humidity levels, and exposure to sunlight can influence their behavior and environment, none are as critical to their survival as maintaining contact with moist soil. Without this essential connection, their life cycle would be severely impacted, compromising their ability to gather food, reproduce, and sustain their colony structure.