Decomposers are animals that eat dead animals or carcasses. They play an important role in an ecosystem by helping break down carcasses. Intertidal decomposers include zooplankton, bacteria and fungi.

Decomposers
Decomposers, NatureWorks, New Hampshire Public Television, Image Credits: Clipart.com unless otherwise noted, Photos and descriptions of bacteria, fungi, and earthworms.
What is a Decomposer
What is a Decomposer, Qualitative Reasoning Group, Northwestern University, Images and descriptions for younger students.