Human Variation and Adaptation

Human Variation and Adaptation - changes in the body in...

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Human Variation and Adaptation 19/02/2008 12:31:00 Theory: set of ideas formulated by reasoning of known facts  Differential reproductive success-survival of the fittest (passes  his or her own genes(continuation of  ones  genetics) Natural Selection: adaptive, can decrease allelic diversity (works on phenotype What determines phenotypes: o Genes (genotype) o Environment o Culture(behavior) Mutation: source of all new genetic material Gene flow: work on frequency of existing genes Genetic drift: founders effect(random) Adaptation: noun and process Noun: phenotypes that copes with environmental stress  to enable survival Process: occurs over time Levels of adaptation
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Genetic- variation (Tibetans having lung capacity) Acclimation –shivering (to get warm)quick response to change Acclimatization-change over time (longer to respond)
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Unformatted text preview: changes in the body in response to environmental stresses Developmental Acclimatization-(plasticity) a change in the normal growth patterns and development of an individual that occurs in childhood as a result of specific cultural practices Culture-learned behavior Primates Anthropologist study primates because they share a common ancestor Physiologically we have a lot in common with them. Can learn about the origin of culture Anthropoids- Us Procimians Common to primates: We are all mammals stereoscopic vision,(depth perception) tactile touch, opposable thumb, fingernails toenails, one offspring at a timegeneralist(renaissance man) Flat face, very large brains(relative to the rest of the body) Continental drift: 19/02/2008 12:31:00 19/02/2008 12:31:00...
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This note was uploaded on 03/22/2009 for the course ANTH 1102 taught by Professor Gonzalez during the Spring '08 term at University of Georgia Athens.

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Human Variation and Adaptation - changes in the body in...

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