This type of organism breaks down dead material in an ecosystem. Herbivore Producer Omnivore Decomposer

Decomposers are organisms that break down dead material in an ecosystem. 

Herbivore: Plant eater. Producer: Makes their own source of energy through photosynthesis Omnivore: Like humans, consumes both plants and meat. Decomposer: Breaks down dead material, like how a mushroom grows around dead animals to feed off of it.