ANS 42 Lecture Notes - Lecture 2: Caveman, Darwinism, Feather-Plucking
23 Aug 2016
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Domesticated species - one that"s been bred into captivity for purposes of economic profit to humans and humans maintain complete mastery over breeding, territory, and food supply. Biologically different from ancestor - evolutionary process. Traits that ensure survival get reduced in domesticated species. Human has total culture and biological control over that species - focused on particular traits o. Zoo animals may not be bred for economic profit - not domesticated. Macaws not yet domesticated - 2 generations only o. Feather picking is a consequences of not adapting to environment. Tame - the state in which an animal"s tendency to flee from humans has been gradually reduced or eliminated - learned behavior. A human can approach and animal won"t flee. Different than a domesticated species (tame refers to a single individual, domesticated refers to a species) Decreased flight distance - fleeing when approaching. Tame bear - national park (for example) - comfortable with human.
