Answer :
The following trophic levels create the most dead organic material Organisms.
The first trophic level consists of autotrophs or primary producers. Autotrophs produce chemical energy from sunlight or inorganic compounds. This level also produces most of the dead organic matter within the ecosystem.
Active organic matter contains readily available energy that can be used by simple soil organisms in the second trophic level of the soil food web. The second trophic level contains simple soil organisms that decompose plants. Decomposers can be primary secondary and tertiary consumers depending on the level of the nutritional pyramid they consume. A worm that eats a dead plant is a primary consumer.
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