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Pyramid of Energy in Terrestrial Ecosystems
The pyramid of energy is an ecological concept that represents the flow of energy through different trophic levels in a terrestrial ecosystem. It is a graphical representation that shows the amount of energy available at each trophic level. The pyramid of energy is always upright and can never be inverted due to the 10% law of energy flow. According to this law, only 10% of the energy from one trophic level is transferred to the next trophic level. As a result, the energy available decreases as we move up the pyramid, with the highest energy being at the producer level .
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A pyramid is a three-dimensional shape. A pyramid has a polygonal base and flat triangular faces, which join at a common point called the apex. A pyramid is formed by connecting the bases to an apex. Each edge of the base is connected to the apex, and forms the triangular face, called the lateral face.
of energy can never be inverted but is always upright because of the 10% law of energy flow
energy flow
Energy flow is the flow of energy through living things within an ecosystem. All living organisms can be organized into producers and consumers, and those producers and consumers can further be organized into a food chain. Each of the levels within the food chain is a trophic level.
https://en.wikipedia.org › wiki › Energy_flow_(ecology)
The pyramid of biomass may be "inverted". For example, in a pond ecosystem, the standing crop of phytoplankton, the major producers, at any given point will be lower than the mass of the heterotrophs, such as fish and insects.
The pyramid of energy is never inverted because the maximum amount of the energy available at the lower trophic level is used up to overcome its entropy and to perform metabolic activities.
Pyramid of energy is always upright. As energy flows from one trophic level to the next trophic level some amount of energy is lost in each trophic level in the form of heat. Therefore, the pyramid of energy is always upright and can never be inverted. [1 mark]
Explanation: Pyramid of energy is always upright, can never be inverted, because when energy flows from aparticular trophic level to the next trophic level, some energy is always lost as heat at eachstep.
Inverted pyramids of biomass exist in oceans. The number of carnivores or the secondary consumers (e.g. sharks) in oceans is high compared to the producers and the herbivores (primary consumers). Therefore, the amount of biomass is maximum at the top and the biomass of producers is comparatively low.
The correct answer is c. pyramid of energy. The pyramid of energy cannot be inverted because it represents the flow of energy through an ecosystem. As we move up the energy pyramid, energy is lost in the form of heat and is not available for higher trophic levels.
The different trophic levels include primary producers (bottom), primary consumers, secondary consumers, and tertiary consumers (top). Biomass pyramids can be regular or inverted, showing that primary producers have the smallest biomass within a specific ecosystem.
Pyramid of energy or biomass is upright and other pyramids can be inverted or take other shapes. When the number of individuals takes into consideration i.e. at the top the number of individual consumers increases and decreases at the bottom thus the pyramid obtained is inverted.
Large fish consume small fish. The biomass increases as we progress towards a higher trophic level. Thus pyramid of biomass is inverted in the aquatic ecosystem.
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