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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Automimicry-intraspecific variation in antipredatory defences
 Stránská, Anna ; Exnerová, Alice (advisor) ; Šulc, Michal (referee)
Aposematic prey is characterized by the fact that individuals are warningly-coloured and unpalatable to predators. However, variability in antipredator defence may occur within one species. The presence of intraspecific variation in antipredator defences is called automimicry. Automimics can be palatable or have a different level of quantity or quality of chemical defence. One of the ways through which the variability arises is for instance consumption of specific plants which defence against predators by means of sequestration. Intraspecific variation in antipredator defence affects the behaviour of predators that can distinguish between palatable of unpalatable prey. Chemical defence is costly for unpalatable individuals. Palatable individuals on the other hand save much energy by simply resembling unpalatable individuals of the same species.
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