Verified Answer :

The correct answer is option bacteria.  

The decomposers are the organism, which feed on the dead and decaying matter. During the process of the decomposition, the decomposers breakdown the organic matter in the simpler compound, which gets mixed up with the soil and they use up the energy released from the decaying process. The decomposers include bacteria, fungi, and some invertebrates.

The correct answer is option B, Bacteria

Reason -

Bacteria’s are microorganism that feed upon the dead remains of plants and animals to get the energy for their bodily functions. The Bacteria’s lie at the top of the food chain as the top most tertiary consumers which get food from the primary and tertiary consumer when they die and starts decomposing Some bacteria’s are autotroph (able to produce their food) while majority are heterotrophs.

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