Bio 180 Lecture 07:01

Werent a uke how can you tell if a hypothesis is

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Unformatted text preview: t the results . weren't a fluke. How can you tell if a hypothesis is likely to be correct? - If it is supported by many different tests. Having background information and therefore making a far more educated guess on the matter. * Scientific method = objective, verifiable Ex. Seasonal Dimorphism in Nemoria arizonaria Caterpillars Question: What triggers the change in caterpillar development / morphology? Hypothesis Treatment Controls What would you measure? Ex. Predator Defense in Zonosemata Flies Question: Do the Zonosemata wing markings and/or wing waving behavior deter the jumping spider? nosema the groups—untreated Zonosemata and Zonosemata that have taken off and reglued—will be attacked by jump had their ing spiders but avoided by other predators. The sheep-in-wolf’swings do they ? Erick three al waving display with marked wings, but usually attacked flies that lacked either wing markings, wing waving, or both (see Figure 1.11). Further, when the researchers tested flies from (This hy displays Treatments: scare off , lizards, plausible ation by ll this the ansplant ich have Treatments test the effect of: Untreated Zonosemata Zonosemata with own wings reglued Zonosemata with housefly wings Housefly with Zonosemata wings Untreated housefly Wing marking plus wing waving Operation Wing waving but no wing markings Wing markings but no wing waving No wing markings, no wing waving Treatment Untreated Zono What it tests 20 / Zono w/own wings reglued Zono w/house wings a) . 10 Cou...
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This note was uploaded on 02/24/2014 for the course BIOL 180 taught by Professor Freeman during the Winter '07 term at University of Washington.

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