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  2. Ecological pyramid - Wikipedia

    en.wikipedia.org/wiki/Ecological_pyramid

    A pyramid of energy shows how much energy is retained in the form of new biomass from 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. There is also a pyramid of numbers representing the number of individual organisms at each ...

  3. Ecological efficiency - Wikipedia

    en.wikipedia.org/wiki/Ecological_efficiency

    For example, the sun releases 10,000 J of energy, then plants take only 100 J of energy from sunlight (exception- Only 1% of energy is taken up by plants from sun); thereafter, a deer would take 10 J (10% of energy) from the plant. A wolf eating the deer would only take 1 J (10% of energy from deer).

  4. Pyramid power - Wikipedia

    en.wikipedia.org/wiki/Pyramid_power

    Pyramid power is the belief that the pyramids of ancient Egypt and objects of similar shape can confer a variety of benefits. Among these supposed properties are the ability to preserve foods, [1] sharpen or maintain the sharpness of razor blades, [2] improve health, [3] function "as a thought-form incubator", [4] trigger sexual urges, [5] and cause other effects.

  5. Biomass (ecology) - Wikipedia

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

    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 environment in the form of sunlight or inorganic chemicals and use it to create energy-rich molecules such as carbohydrates.

  6. 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]

  7. 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.

  8. Get a daily dose of cute photos of animals like cats, dogs, and more along with animal related news stories for your daily life from AOL.

  9. Laws of thermodynamics - Wikipedia

    en.wikipedia.org/wiki/Laws_of_thermodynamics

    For example, when a machine (not a part of the system) lifts a system upwards, some energy is transferred from the machine to the system. The system's energy increases as work is done on the system and in this particular case, the energy increase of the system is manifested as an increase in the system's gravitational potential energy. Work ...