Is a decomposer plant or animal?

A decomposer is an organism that breaks down dead organic matter into simpler substances. Decomposers are essential for the recycling of nutrients back into the environment and for the breakdown of waste products. Decomposers can be either plants or animals, and include organisms such as bacteria, fungi, and certain species of insects and worms. They break down organic matter through various processes, such as microbial decomposition and enzymatic degradation.