Answer: An organism that feed on the dead and decaying matter of the plants and animals are called decomposers. Two primary decomposers are Bacteria and Fungi. They help in recycling and cleaning the environment. They use the garbage and breakdown the dead and decaying part into nutrient component so that the plants can use them to make their own food. Their main is to recycle the dies material of environment because without them the rate of decomposition will be very slow.