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2. Ecological pyramid - Wikipedia

   en.wikipedia.org/wiki/Ecological_pyramid

   The relative energy chain within an ecosystem can be compared using pyramids of energy; also different ecosystems can be compared. There are no inverted pyramids. The input of solar energy can be added. Disadvantages of the pyramid of energy as a representation: The rate of biomass production of an organism is required, which involves measuring ...

3. Energy flow (ecology) - Wikipedia

   en.wikipedia.org/wiki/Energy_flow_(ecology)

   In order to more efficiently show the quantity of organisms at each trophic level, these food chains are then organized into trophic pyramids. [1] The arrows in the food chain show that the energy flow is unidirectional, with the head of an arrow indicating the direction of energy flow; energy is lost as heat at each step along the way. [2] [3]

4. Biomass (ecology) - Wikipedia

   en.wikipedia.org/wiki/Biomass_(ecology)

   A biomass pyramid shows the amount of biomass at each trophic level. A productivity pyramid shows the production or turn-over in biomass at each trophic level. An ecological pyramid provides a snapshot in time of an ecological community. The bottom of the pyramid represents the primary producers . The primary producers take energy from the ...

5. Bottom–up and top–down design - Wikipedia

   en.wikipedia.org/wiki/Bottom–up_and_top–down...

   The energy pyramid represents the ecosystem and it's layers, the symbols represent the various limiting factors. In ecology top–down control refers to when a top predator controls the structure or population dynamics of the ecosystem. The interactions between these top predators and their prey are what influences lower trophic levels. Changes ...

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7. Food web - Wikipedia

   en.wikipedia.org/wiki/Food_web

   Like many wetlands, some ecosystems do not organize as a strict pyramid because aquatic plants are less productive than long-lived terrestrial plants such as trees. Ecological trophic pyramids are typically one of three kinds: 1) pyramid of numbers, 2) pyramid of biomass, or 3) pyramid of energy. [6] Food webs have trophic levels and positions.

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9. Police continue searching for child allegedly given away by ...

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   November 20, 2024 at 1:05 PM. Police in Oklahoma are searching for a child who vanished three years ago after her mother allegedly gave her to a man selling her drugs, according to reports.