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  2. Ecological pyramid - Wikipedia

    en.wikipedia.org/wiki/Ecological_pyramid

    An ecological pyramid (also trophic pyramid, Eltonian pyramid, energy pyramid, or sometimes food pyramid) is a graphical representation designed to show the biomass or bioproductivity at each trophic level in an ecosystem. A pyramid of energy shows how much energy is retained in the form of new biomass from each trophic level, while a pyramid ...

  3. Food web - Wikipedia

    en.wikipedia.org/wiki/Food_web

    A freshwater aquatic food web. The blue arrows show a complete food chain (algae → daphnia → gizzard shad → largemouth bass → great blue heron). A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.

  4. File:Ecological pyramid.svg - Wikipedia

    en.wikipedia.org/wiki/File:Ecological_pyramid.svg

    English: A generic ecological or trophic pyramid, which shows the flow of food energy upwards through an ecosystem. ... A generic ecological pyramid: Width: 598.08295:

  5. Fantastic Freebies: food pyramid poster! - AOL

    www.aol.com/news/2008-09-28-fantastic-freebies...

    Just what you need: a poster of the food pyramid from the USDA. But wait, there's more! Fill out this form and you can also get tips for families and an anatomy

  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. Trophic level - Wikipedia

    en.wikipedia.org/wiki/Trophic_level

    Within a food web, a food chain is a succession of organisms that eat other organisms and may, in turn, be eaten themselves. The trophic level of an organism is the number of steps it is from the start of the chain. A food web starts at trophic level 1 with primary producers such as plants, can move to herbivores at level 2, carnivores at level ...