AP BIOLOGY

ECOLOGY

ENERGY FLOW AND PRIMARY PRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What does an energy pyramid represent?
A
Food pyramids show the different food chains in a community.
B
Energy pyramids show the same total matter at all levels.
C
Shows the amount of energy available at each feeding level in an ecosystem.
Explanation: 

Detailed explanation-1: -A pyramid of energy shows how much energy is retained in the form of new biomass at each trophic level, while a pyramid of biomass shows how much biomass (the amount of living or organic matter present in an organism) is present in the organisms.

Detailed explanation-2: -An energy pyramid is a model that shows the flow of energy from one trophic, or feeding, level to the next in an ecosystem. The model is a diagram that compares the energy used by organisms at each trophic level. The energy in an energy pyramid is measured in units of kilocalories (kcal).

Detailed explanation-3: -An energy pyramid, also known as a trophic or ecological pyramid, is a graphical representation of the energy found within the trophic levels of an ecosystem. The bottom and largest level of the pyramid is the producers and contains the largest amount of energy.

Detailed explanation-4: -BACKGROUND: An energy pyramid illustrates how energy flows through an ecosystem. By showing the trophic (feeding) levels of the ecosystem, students can easily visualize how energy is transferred from producers to consumers.

Detailed explanation-5: -An energy pyramid shows the flow of energy at each trophic level in an ecosystem. A pyramid shape is used because energy is lost at each trophic level when organisms use it up.

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