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'''Tinbergen's four questions''' are a general schemes used by biologist to classify the different causes of animal behavior and morphology. They were spelled out in the 1960s by Nikolaas Tinbergen who says he was inspired by [[Aristotle's four types of causes]]. The four causes that Tinbergen delineated have receive wide usages to frame papers and concepts in the fields of [[ethology]], [[behavioral ecology]], [[sociobiology]], and [[evolutionary psychology]].

'''Tinbergen's four questions''' are a general schemea used by biologist to classify the different causes of animal behavior and morphology. They were spelled out in the 1960s by Nikolaas Tinbergen who says he was inspired by [[Aristotle's four types of causes]]. The four causes that Tinbergen delineated have received wide usage to frame papers and concepts in the fields of [[ethology]], [[behavioral ecology]], [[sociobiology]], and [[evolutionary psychology]].

==The four causes==

==The four causes==