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Class notes for the role of the decomposer in the pyramid.

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Role of decomposer in the pyramid of energy
●​ Throughout the energy pyramid, decomposers like bacteria, worms, and fungi
play an important role. They break down organic matter and tissue that
organisms higher up the pyramid haven't eaten. Additionally, they consume the
little energy that is still present in the tissues of dead organisms. Decomposers
contribute to the cycle of carbon and nitrogen by returning minerals and nutrients
to the soil.
●​ The energy released when tissues and organic matter are broken down by
decomposers is eventually taken in by plants and used for photosynthesis. The
ecosystem's energy flow is ensured by this mechanism.
●​ The transfer of energy through the food chain: The sun provides the initial energy,
plants produce metabolic energy through photosynthesis, and their tissues store
only 10% of their energy. About 10% of the energy that a herbivore can consume
is represented by this. The remaining solar energy is wasted as heat and is used
by plants for metabolism.
●​ About 10% of the 10% that herbivores consume is stored in tissues for carnivores
to consume. The remaining 90% of their metabolized energy is used by
herbivores to function. Each subsequent carnivore inherits only 10% of the
previous energy level as this process continues up the pyramid.
●​ The apex predators consume approximately 0.1 percent of the solar energy that
reaches the pyramid's apex over time, and metabolic activity loses the remaining
energy.
●​ Earthworms, bacteria, and fungi are decomposers, which are the organisms that
store the minuscule amounts of energy that are still present in the tissues of
dead plants and animals.
●​ "About 90% of the energy from food is used in bodily processes or lost as heat,"
according to the 10% rule, "leaving 10% of the original energy available to supply
the next consumer." I'll get it done.
●​ The Importance of the Energy Pyramid The nature of the relationships or
interactions between various groups of organisms can be characterized using
energy pyramids. Photosynthesis brings solar energy into ecosystems, as
depicted by energy pyramids.
●​ An energy pyramid can be used to compare the magnitudes of energy in various
tropics of an ecosystem.
●​ Energy pyramids can be used to evaluate ecosystem generation's rate and
effectiveness. demonstrates how effectively energy is transferred.

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Uploaded on
April 18, 2026
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2025/2026
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Class notes
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Dr. bennett
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