Psychology 3221F/G Chapter Notes - Chapter 2,3: Aphelocoma, Melipona, Complete Control

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Eusocial insects: species with non-reproducing workers eg. termites: most are pale reddish while some others are larger & darker in colour w big jaws. Neither of these would ever reproduce as females have atrophied ovaries. Only one large reproducing female & male eg. honey bee: suicidal sting self-sacri cing behaviour that helps other bees. Intelligent design theory: the complexity of social insect colonies cannot be explained by evolutionary theorists societies designed to serve some function. Formed by an intelligent entity for purpose of working together ef ciently. Intelligent designer must be supernatural ,", not a scienti c theory. Group selection: species w self-sacri cing individuals are more likely to survive than those w/ out altruists > evolution of group-bene ting altruism. Eg birds in which territory holders breed but those unable to secure territory don"t hold back in order to avoid depleting food supply on which entire species depends. Indirect selection: helping genetically similar individuals other than offspring indirect route.

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