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Signals 2: Function & Evolution

Dylan Vaughan-Williams ethology 1º de Bachillerato Inglés 9 fichas

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1in the gother snake example which evolved first the snakes heat sensitivity or the gothers signalheat sensitivity
2what was the example in Noctuid mothsMale moths make similar signal to bats to get the female bats to land so they can mate
Different theory to ritualization.
3what is the example of courtship with the Neumania papilatorNet stance’
Male leg vibration
Which is similar to a Choco pod
Hungry females more responsive
Net stance evolved before trembling courtship
4what is the signal in primatestrichrmatic colour vision which already helps them detect fruits and leaves
bias for red skin
5in trichromatic primates ie human do they have bare skin or covered skin. and whyyes they do in order to show emotional states
6how was dychromatic colour identification originally evolvedits much easier to identify red fruit against a green background. especially the ability to identify high quality ripe fruit
7Did red pelage / skin evolve to exploit pre-existing ability to distinguish red from green?The colour vision does appear to come about first with the skin colouration coming later
8what was the sensory exploitation that was taken advantage of in catscats have been selected to pur at bettween 300Hz - 600Hz which is the same vocal range that human babies cry at
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