What organisms help break down dead leaves in an ecosystem

Hello, Nature has its own recycling system: a group of organisms called decomposers. Decomposers feed on dead things: dead plant materials such as leaf litter and wood, animal carcasses, and feces. They perform a valuable service as Earth's cleanup crew.

Explanation: In my words decomposers break down dead leaves in are ecosystem such as dead plants, leafs, wood, animals, and feces

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it’s lava came from an explosive eruption