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Detritivores

• Decomposers are two major groups, including detritivores and saprotrophs. Detritivores are heterotrophic organisms that feed orally on the dead matter to obtain nutrients and energy.
• Detritivores eat dead matter and then digest or break down it in their intestinal tract, so it contributes to decomposition.
• Detritivores is branch of decomposer. It plays an essential role in most biogeochemical cycles like the nitrogen cycle, carbon cycle, and phosphorous cycle.
• Examples of detritivores are insects (such as mites, butterflies, mites), flies, crabs, millipedes, woodlice, earthworms, etc.

Scavenger

• Scavengers and decomposers are an important part of the food chain involved in an ecosystem for recycling nutrients and organic matter.
• Scavengers are known as the initiator of the decomposition process. They initiate the decomposition process by converting dead mass into small particles.
•  Examples of scavengers are insects (flies, cockroaches), fishes, crabs, and birds (vultures).