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aposematic |
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aposematic [ˌæpəsɪˈmætɪk]
adj (Life Sciences & Allied Applications / Zoology) (of the coloration of certain distasteful or poisonous animals) characterized by bright conspicuous markings, which predators recognize and learn to avoid; warning [from apo- + Greek sēma sign] Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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For example, among infrahumans, peak shift has been invoked as a mechanism underlying the evolution of aposematism (warning coloration) among prey (Gamberale & Tullberg, 1996; Gamberale-Stille & Tullberg, 1999; Leimar, Enquist, & Sillen-Tullberg, 1986), the sexual selection among birds for elaborately plumaged males (Weary, Guilford, & Weisman, 1993), and the preference for supernormal stimuli displayed by many species (Ghirlanda & Enquist, 1998, 1999, 2003; Staddon, 1975). Many functions have been proposed for this secretion, such as camouflage, alarm signal, pheromone, aposematism (use of color patterns by prey animals to signal their distastefulness to predators), bile excretion, predator deterrent, and cue of danger (Johnson & Willows 1999). The experiments show that aposematism probably evolved first in groups of unpalatable prey, but that other species that later adopt similar markings may not benefit from group living, the authors conclude. |
Aposematism |
aporias aporias Aporidea Aporocactus Aporocactus flagelliformis aporogamy Aporosa Aporose Aporosella APORS aport aport Aportaciones Financieras Subordinadas Eroski APORTS APORTSREP Aporusa APOS APOS aposaturnium APOSC APOSD APOSDLE aposelene aposelene Aposemantic coloration Aposematic Aposematic aposematic coloration aposematic coloration Aposematic Mechanism Aposematism AposentadoriaAPOSHO aposia aposiopeses aposiopesis aposiopetic Apositic Apositive Apositive Apositive Apositive APOSM Aposomatic coloration Aposomatic colouration aposporic aposporic aposporous aposporous apospory apospory Apospory Specific Genomic Region APOSS APOSSM Apostacy Apostacy Apostacy apostasies apostasies apostasies apostasis | ||||||||
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