Decomposers play an important role in an ecosystem by helping break down carcasses after the scavengers are through.

Decomposers
Decomposers, NatureWorks, New Hampshire Public Television, Image Credits: Clipart.com unless otherwise noted, Visit the website for photos and to learn about bacteria, fungi and earthworms and t
Sponges help coral reefs thrive in ocean deserts
Sponges help coral reefs thrive in ocean deserts, Oct. 7, 2013, By James Morgan, Science reporter, BBC News, "The ultimate recyclers - sponges soak up nutrients in seawater and turn them into fo
What is a Decomposer
What is a Decomposer, Qualitative Reasoning Group, Northwestern University, Images and text for younger students.