Discussion
Role of detritus food chain in an ecosystem is :
Answer: C
The role of the detritus food chain is recycling of resources.
The detritus food chain starts with dead organic matter rather than living plants. Detritivores such as earthworms and millipedes, and decomposers such as bacteria and fungi, break it down and release nitrogen, phosphorus and other nutrients back into the soil and water for producers to reuse.
Grazing describes the other chain, which starts with herbivores eating living plants. Transfer of food and assimilation happen in every food chain, so they do not describe the special role of the detritus chain.
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