BIO 206L Lecture Notes - Lecture 12: Photuris, Electroreception, Animal Communication

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10 Apr 2017
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Photuris and photinus firefly are two different types that communicate w/ one another. True communication- occur when both are benefited females tend to be choosy during mating sexual communication/ sexual advertisement can use communication to resolve disputes; deers. Bats go out to eat insects and thousands of pups to find: pup emits call unique to that bat and mama bat can locate baby. Vervet rat cough to signal predator near by. Visual signaling- are very effective for animal that are active during the day: good for animals awake during day only. Males and females have different wing structures: males can sing; fore-wings rub against each other o females cannot call, why do crickets sing, tinbergen o. Ultimate mechanisms survival value function ( how does it contribute to fitness; how many offspring left behind) evolution (how did song arise over evolutionary time) crickets produced with forewings:

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