Multiple Choice
Which level in an energy pyramid contains the most energy?
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52. Ecosystems
Energy & Biomass Pyramids
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In an energy pyramid, at which level would most of the biomass be found?
A
Primary consumers
B
Secondary consumers
C
Tertiary consumers
D
Producers
Verified step by step guidance1
Understand the concept of an energy pyramid: An energy pyramid is a graphical representation of the energy flow in an ecosystem, showing the energy available at each trophic level.
Identify the trophic levels: The levels in an energy pyramid typically include producers, primary consumers, secondary consumers, and tertiary consumers.
Recognize the role of producers: Producers, such as plants and algae, are at the base of the energy pyramid. They convert solar energy into chemical energy through photosynthesis, creating biomass.
Consider the biomass distribution: Biomass refers to the total mass of living organisms in a given area or ecosystem. In an energy pyramid, the majority of biomass is found at the producer level because they are the primary source of energy for all other levels.
Conclude the relationship between biomass and energy flow: As energy is transferred from one trophic level to the next, it decreases due to energy loss (e.g., heat). Therefore, the biomass is greatest at the producer level, supporting all higher levels.
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