Decomposers are animals that eat dead animals or carcasses. They play an important role in an ecosystem by helping break down carcasses. Decomposers in the deserts of Africa are fungi, bacteria, beetles, termites, earthworms, and millipedes.
Earthworm
Earthworm
Wikipedia.org
Locomotion and importance to soil
Earthworms travel underground by the means of waves of muscular contractions which alternately shorten and lengthen the body. The short
http://en.wikipedia.org/wiki/Earthworm
Saprophytic Bacteria
Saprophytic Bacteria
TutorVista.com
Excellent article, with illustration, on the importance of saprophytic bacteria and its role in recycling energy in an ecosystem.
http://www.tutorvista.com/biology/saprophytic-bact...
