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  2. Ecological pyramid - Wikipedia

    en.wikipedia.org/wiki/Ecological_pyramid

    Pyramids of energy are normally upright, but other pyramids can be inverted (pyramid of biomass for marine region) or take other shapes (spindle shaped pyramid). Ecological pyramids begin with producers on the bottom (such as plants) and proceed through the various trophic levels (such as herbivores that eat plants, then carnivores that eat ...

  3. Energy flow (ecology) - Wikipedia

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

    A food pyramid and a corresponding food web, demonstrating some of the simpler patterns in a food web. A graphic representation of energy transfer between trophic layers in an ecosystem. Energy flow is the flow of energy through living things within an ecosystem. [1]

  4. Energy hierarchy - Wikipedia

    en.wikipedia.org/wiki/Energy_hierarchy

    The Energy Hierarchy is a classification of energy options, prioritised to assist progress towards a more sustainable energy system. It is a similar approach to the waste hierarchy for minimising resource depletion , and adopts a parallel sequence.

  5. Biogeochemical cycle - Wikipedia

    en.wikipedia.org/wiki/Biogeochemical_cycle

    The flow of energy in an ecosystem is an open system; the Sun constantly gives the planet energy in the form of light while it is eventually used and lost in the form of heat throughout the trophic levels of a food web. Carbon is used to make carbohydrates, fats, and proteins, the major sources of food energy. These compounds are oxidized to ...

  6. ROCKFORD, Ill. (WTVO) – It’s been 34 years since Macaulay Culkin’s character, Kevin McCallister, made a trip to the supermarket for supplies in the 1990 Chris Columbus film “Home Alone ...

  7. Ecological efficiency - Wikipedia

    en.wikipedia.org/wiki/Ecological_efficiency

    The energy remaining after respiration is considered the net primary production. In general, gross production refers to the energy contained within an organism before respiration and net production the energy after respiration. The terms can be used to describe energy transfer in both autotrophs and heterotrophs.

  8. ‘Mufasa’ Rules Post-Christmas Box Office With $12 Million ...

    www.aol.com/mufasa-rules-post-christmas-box...

    Disney’s “Mufasa: The Lion King” is reigning over the holiday box office. The family film, which is a prequel to “The Lion King” (both the 1994 animated classic and the less canonical ...

  9. Ágnes Keleti, oldest living Olympic medal winner and ...

    www.aol.com/gnes-keleti-oldest-living-olympic...

    Ágnes Keleti, the oldest living Olympic medalist and Holocaust survivor died in Budapest, Hungary on Thursday.

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