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  2. Ecological network - Wikipedia

    en.wikipedia.org/wiki/Ecological_network

    Ecosystem complexity was once thought to reduce stability by enabling the effects of disturbances, such as species loss or species invasion, to spread and amplify through the network. However, other characteristics of network structure have been identified that reduce the spread of indirect effects and thus enhance ecosystem stability. [24]

  3. Ecological threshold - Wikipedia

    en.wikipedia.org/wiki/Ecological_threshold

    Ecological threshold is the point at which a relatively small change or disturbance in external conditions causes a rapid change in an ecosystem.When an ecological threshold has been passed, the ecosystem may no longer be able to return to its state by means of its inherent resilience.

  4. Biocoenosis - Wikipedia

    en.wikipedia.org/wiki/Biocoenosis

    A freshwater aquatic and terrestrial food web A biocenosis (UK English, biocoenosis , also biocenose , biocoenose , biotic community , biological community , ecological community , life assemblage ), coined by Karl Möbius in 1877, describes the interacting organisms living together in a habitat ( biotope ). [ 1 ]

  5. 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]

  6. Food web - Wikipedia

    en.wikipedia.org/wiki/Food_web

    The linkages in a food web illustrate the feeding pathways, such as where heterotrophs obtain organic matter by feeding on autotrophs and other heterotrophs. The food web is a simplified illustration of the various methods of feeding that link an ecosystem into a unified system of exchange.

  7. Sign in to AOL Desktop Gold and manage your usernames

    help.aol.com/articles/aol-desktop-signing-on

    1. Launch AOL Desktop Gold. 2. On the sign on screen, click the small arrow pointing down. 3. Click Add Username. 4. Type in another username and click Continue.Enter your password in the window that appears.

  8. Ecological pyramid - Wikipedia

    en.wikipedia.org/wiki/Ecological_pyramid

    The exception to this generalization is when portions of a food web are supported by inputs of resources from outside the local community. In small, forested streams, for example, the volume of higher levels is greater than could be supported by the local primary production. Energy usually enters ecosystems from the Sun.

  9. This Lego Disney Advent calendar is only $20 at Walmart ... - AOL

    www.aol.com/lifestyle/this-lego-disney-advent...

    It features Spider-Man, Spider-Gwen, Miles Morales, and the Green Goblin, as well as a few other set pieces (like a web, stoplight, computer, and drumset). LEGO $20 $45 Save $25