BIOC54H3 Lecture Notes - Nikolaas Tinbergen, Ethology, Scientific Method

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Ethology: ethology, the study of animal behaviour, behaviour, observable activity of an animal (e. g. , singing, feeding, aggression, etc. This is one definition of what is behavior. It"s near impossible to get researchers to define or converge upon a definition of what is behavior. Modern ethologists: still examine behaviour in much the same way, now we apply the scientific method to objectively study behaviour. Scientific method and behaviour: observation: wow, that"s cool, question: what, why, how, hypothesis: proposed explanation, prediction: if hypothesis is true, what do i think might happen next, experiment: controls, replicates, treatments, conclusion: accept or reject hypothesis. Case study: digger wasps: digger wasps captures its prey (e. g. , grasshopper) and paralyze them. They curate their nests where they bring a prey item and drag it down into the hole. Thus, suggesting that the pinecones were a visual cue: treatment: Levels of analysis (the questions asked by ethologists) tinbergen"s four questions: proximate level: how questions.

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