Biome is an area where living things adapt to survive, mainly these are the weather, geological area, temperature, resources available and etc.
Example:
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