What are the decomposers of a desert biome or an example of a food chain for a desert biome?

Decomposers refer to the last consumer in the food chain that usually eat dead body of animals.
In the desert area, most decomposers have a hard time to stay alive in the place because it’s hot and dry. Most decomposers prefer moist area. Here are lists of the decomposers in the desert that manage to stay alive despite of the place risk.
=> bacteria – they stay alive in the place because they can live in the air
=> beetles
=> earthworm
=> millipedes

The answer is d. disruptive