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Müllerian mimicry was proposed by the German zoologist and naturalist Fritz Müller (1821–1897). An early proponent of evolution, Müller offered the first explanation for resemblance between certain butterflies that had puzzled the English naturalist Henry Walter Bates in 1862.
Mimicry is an evolved resemblance between an organism and another object, often an organism of another species. Mimicry may evolve between different species, or between individuals of the same species. Often, mimicry functions to protect from predators. [11] Mimicry systems have three basic roles: a mimic, a model, and a dupe.
Müllerian mimicry, too, in which two or more distasteful species that share one or more predators have come to mimic each other's warning signals, was clearly adaptive; Fritz Müller described the effect in 1879, in an account notable for being the first use of a mathematical argument in evolutionary ecology to show how powerful the effect of ...
That is to say, this mimicry system evolves convergently. If a predator is aware of the potential threat of one species, the predator will also avoid any species with a similar appearance, creating the Müllerian mimicry affect. Again, the relative lack of noxious models limits most examples to systems that involve reptiles or amphibians.
Research has argued that the viceroy may be unpalatable to avian predators. If that is the case, then the viceroy butterfly displays Müllerian mimicry, and both viceroy and monarch are co-mimics of each other. [17] Some literature suggests that the queen-viceroy may not be a good model-mimic pair for Batesian mimicry.
One puzzle with Müllerian mimicry/convergence is that it would be predicted the butterflies to all eventually converge on the same color and pattern for the highest predator education. Instead, Heliconius butterflies are greatly diverse and even form multiple 'mimicry rings' within the same geographical area.
Müllerian mimicry is named after and discovered by him. This phenomenon concerns the resemblance between two or more unpalatable species which are protected from predators capable of learning . The protection is often a noxious chemical, perhaps gained from the larva eating a particular plant; or it may be a sting or other defence.
Müllerian may refer to: Müllerian mimicry, a type of mimicry or convergence named after Fritz Müller; Müllerian ducts, which enter the cloaca of an embryo (named after Johannes Peter Müller) Mullerian anomalies are structural anomalies caused by errors in embryonic müllerian duct development; Mixed Müllerian tumor