(a) Define decomposers. Name one decomposer.
(b) What is the role of decomposers in the ecosystem?
(a) Micro-organisms that break down the complex organic compounds present in dead plants and animals and their products, such as faeces and urine, into simpler substances are called decomposers. Bacteria are decomposers.
(b) Decomposers decompose dead plants and animals and hence act as cleansing agents of the environment.