객관식
Which trophic level typically has the largest biomass in an ecosystem?
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52. Ecosystems
Energy & Biomass Pyramids
객관식
How do pyramids of net production differ from pyramids of biomass in ecological studies?
A
Pyramids of net production and pyramids of biomass are identical, both representing the total number of species in an ecosystem.
B
Pyramids of net production measure only the producers, while pyramids of biomass include only consumers.
C
Pyramids of net production show the flow of energy through each trophic level over time, while pyramids of biomass represent the total mass of living organisms at each trophic level at a specific moment.
D
Pyramids of net production display the number of individuals at each trophic level, whereas pyramids of biomass show the energy content at each level.
검증된 단계별 안내1
Understand the concept of ecological pyramids: Pyramids of net production and pyramids of biomass are tools used to represent different aspects of ecosystems. Pyramids of net production focus on energy flow, while pyramids of biomass focus on the mass of living organisms.
Define pyramids of net production: These pyramids illustrate the rate at which energy is transferred through each trophic level over time. They are based on the energy captured by producers and passed on to consumers, measured in units such as joules or calories per unit time.
Define pyramids of biomass: These pyramids represent the total mass of living organisms at each trophic level at a specific moment in time. Biomass is typically measured in units such as grams or kilograms per square meter.
Compare the two pyramids: Pyramids of net production emphasize the dynamic flow of energy through the ecosystem, while pyramids of biomass provide a snapshot of the standing stock of organic material at a given time. This distinction highlights the difference between energy transfer and material accumulation.
Clarify the correct answer: The correct answer is that pyramids of net production show the flow of energy through each trophic level over time, whereas pyramids of biomass represent the total mass of living organisms at each trophic level at a specific moment. This distinction is crucial for understanding how ecosystems function and are studied.
