allen's rule wikipedia - EAS

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  1. Allen's rule is an ecogeographical rule formulated by Joel Asaph Allen in 1877, broadly stating that animals adapted to cold climates have thicker limbs and bodily appendages than animals adapted to warm climates.
    en.wikipedia.org/wiki/Allen%27s_rule
    en.wikipedia.org/wiki/Allen%27s_rule
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    What is Allen's rule in geography?Allen's rule is an ecogeographical rule formulated by Joel Asaph Allen in 1877, broadly stating that animals adapted to cold climates have shorter limbs and bodily appendages than animals adapted to warm climates.
    en.wikipedia.org/wiki/Allen%27s_rule
    What is the difference between Allen's rule and Bergmann's rule?Bergmann's rule only describes the overall size of the animals, but does not include body parts like Allen's rule does. Although originally formulated in relation to species within a genus, it has often been recast in relation to populations within a species. It is also often cast in relation to latitude.
    en.wikipedia.org/wiki/Bergmann%27s_rule
    What is Allen's rule of heat dissipation?Allen's rule predicts that endothermic animals with the same body volume should have different surface areas that will either aid or impede their heat dissipation.
    en.wikipedia.org/wiki/Allen%27s_rule
    Can Allen's rule be applied to ectotherms?J.S. Alho and colleagues argued in 2011 that, although Allen's rule was originally formulated for endotherms, it can also be applied to ectotherms, which derive body temperature from the environment.
    en.wikipedia.org/wiki/Allen%27s_rule
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    https://en.wikipedia.org/wiki/Allen's_rule

    J.S. Alho and colleagues argued in 2011 that, although Allen's rule was originally formulated for endotherms, it can also be applied to ectotherms, which derive body temperature from the environment. In their view, ectotherms with lower surface area-to-volume ratios would heat up and cool down more slowly, … 查看更多內容

    Allen's rule is an ecogeographical rule formulated by Joel Asaph Allen in 1877, broadly stating that animals adapted to cold climates have thicker limbs and bodily appendages than animals adapted to warm climates. … 查看更多內容

    Though there are numerous exceptions, many animal populations appear to conform to the predictions of Allen's rule. The 查看更多內容

    A contributing factor to Allen's rule in vertebrates may be that the growth of cartilage is at least partly dependent on temperature. Temperature can directly affect the growth of cartilage, providing a proximate biological explanation for this rule. … 查看更多內容

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    Allen's rule predicts that endothermic animals with the same body volume should have different surface areas that will either aid or impede their heat dissipation.
    Because … 查看更多內容

    Marked differences in limb lengths have been observed when different portions of a given human population reside at different altitudes. Environments at higher altitudes generally experience lower ambient temperatures. In Peru, individuals who lived at higher … 查看更多內容

    Bergmann's rule, which correlates latitude with body mass in animals
    Gloger's rule, which correlates humidity with pigmentation in … 查看更多內容

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  4. https://en.wikipedia.org/wiki/Allen_curve

    In communication theory, the Allen curve is a graphical representation that reveals the exponential drop in frequency of communication between engineers as the distance between them increases. It was discovered by Massachusetts Institute of Technology Professor Thomas J. Allen in the late 1970s.
    A related and highly significant finding of Allen's was his identification of the key role of informati…

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    • Category:Allen's rule - Wikimedia Commons

      https://commons.wikimedia.org/wiki/Category:Allen's_rule

      網頁Allen's rule biological rule that warm-blooded animals from colder climates usually have shorter limbs Upload media Wikipedia Named after Joel Asaph Allen Authority control …

    • https://en.wikipedia.org/wiki/Talk:Allen's_rule
      • It is important to remember that exposure of exterior surface area is only one of many mechanisms by which humans retain or dispose of body heat. The following mechanisms are also very important: Sweating Shivering Skin colour Behaviour 1. Note that for the first three of these mechanisms, Allen's rule will directly effect the outcome anyway. So I ...
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    • Allen's rule - Oxford Reference

      https://www.oxfordreference.com/view/10.1093/oi/authority.20110803095403847

      網頁Allen's rule Quick Reference A 19th century ecogeographical rule that the warmer the climate the longer the appendages (ears, legs, wings) of warm‐blooded animals in …

    • Allen’s Rule, Application On The Human Species | Natural Height …

      https://www.naturalheightgrowth.com/2012/08/16/allens-rule-application-on-the-human...

      網頁2012/8/16 · The theory behind Allen’s rule is that endothermic animals with the same volume may have differing surface areas, which will aid or impede their temperature regulation. …

    • アレンの法則 - Wikipedia

      https://ja.wikipedia.org/wiki/アレンの法則

      網頁アレンの法則 (Allen's rule) は、 ジョエル・アサフ・アレン により1877年に発表された法則であり [2] [3] 、大まかにいうと寒冷気候に適応した動物は、温暖気候に適応した動物 …

    • Allen's rule | Article about Allen's rule by The Free Dictionary

      https://encyclopedia2.thefreedictionary.com/Allen's+rule

      網頁Find out information about Allen's rule. The generalization that the protruding parts of a warm-blooded animal's body, such as the tail, ears, and limbs, are shorter in animals …

    • https://en.wikipedia.org/wiki/Bergmann's_rule

      網頁Bergmann's rule is an ecologic principle stating that body mass increases with colder climate. Data illustrating such a relationship are shown for moose (Eurasian elk) in …

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    • https://en.wikipedia.org/wiki/Gloger's_rule

      網頁Gloger's rule is an ecogeographical rule which states that within a species of endotherms, more heavily pigmented forms tend to be found in more humid environments, e.g. near …

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