Anthropolgy

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Anthropology- the study of humankind everywhere, through time, seeks to produce reliable knowledge about people and their behavior, both about what makes them different and what they have in common. What They Do- Physical anth- study humans as biological organisms, tracing there evolutionary development of the human animal and looking at biological variations within the species, past and present (human evol, Primates, Human diversity. Cultural Anth- is concerned with human cultures, or the ways of life in societies. Culture bound- Theories about the world and reality based on the assumptions and values of ones own culture. Within the field of cultural anth are Archaeologist- Is the branch of cultural anth that studies material remains in order to describe and explain human behavior. Traditionally it has focused on the human past, for material products of behavior, rather then behavior itself, are all that survive of the past. They did the Arizona garbage project. Linguists- who studies language, by which cultures are maintained and passed on to succeeding generations. Ethnologist- Or sociocultral anth, concentrates on cultures of the present. Human behavior as it can be seen, experienced, and even discussed with those whose culture is to be introduced. How do they do what they do- anth, in common with other scientist are concerned with the formulation and testing of hypothesis, or tentative explanations of observed phoneme. In so doing, they hope develop readable theories- explanations supported by bodies of data-although they recognize that no theory is ever completely beyond challenge. In order to frame hypothesis that are as objective and free of culture bias as possible, Anth typically develop them through a kind of total immersion in the field, becoming so familiar with the minuet details of the situation that they can begin to recognize patterns in the data. It is also through fieldwork that anth test existing hypotheses. Ethnology- the systematic description of a particular culture based on first hand observation. Holistic perspective-A fundamental principle of anth, that the various parts of culture must be viewed in the broadest possible context to understand their interconnections and interdependence Participant observation through direct participation in every day life for an extended period of time. Ethnohistory-is a kind of historical ethnology that studies cultures of the recent past through the accounts of explore, and through analysis of such data land titles, birth records and so on. CH-2- Archaeologist- Are anth that many study human past physical remains. Paleonthropologist- An anth who studies human evolution from fossil remains. Artifact- any object fashioned altered by humans. Stuart Piggot a British archeologist called it the study of rubbish. Fossil- the preserved remains of plats and animals that lived in the past. Unaltered fossil- Remains of plats and animals which lived in the past that have not been altered. Ex- iceman. Altered fossil- fossils that have been altered by organic material by calcium carbonate or silica. Site- In archaeology, a place containing remains of human activity. Fossil- Locality- In a place were fossils are found. Soil Marks- stains, which show up on the surface of recently plowed fields that, reveal an arch site. Grid system- recording data from an arch site. Datum point- The starting, or reference point for a grid system. Flotation- an arch technique employed to recover very tiny objets by immersion of soil through water. Stratified- Layered of arch sites where the remains lie in layers, one upon another. !/4 of arch sites by accident. ¾ by arch survey. Cultural Resource Management (CRM) Relative dating- Fossils being older or younger then another. Absolute or Chronometrical dates- Dates for arch materials based on solar years, centuries, or other units of absolute time. Stratigraphy- Layer dating. Fluorine Test- The amount of fluorine in bones. Radiocarbon analysis- unstable isotope, Decays to nitrogen n14 (c14 dating) half-life is 5730.Dendrochronology- Tree ring testing, based on chronometrical dating. Potassium -argon analysis- ratio of radioactive potassium to argon in volcanic debris associated with human remains. Electron spin resonance – a tech for chromatic dating that measures the number of trapped electrons in a bone or shell. CH-3-Primate order- The group of mammals that include lemurs, lorries, tarsiers, monkeys apes and humans. Genes- potions of DNA molecules that direct the development of the observable or identifiable traits. DNA- the genetic material, deoxyribonucleic acid, a complex molecule with info to direct the synthesis of proteins. They can produce exact copies of themselves. Chromosome- In the cell nucleus, long strands of DNA combine with proteins. Alleles- Alternate forms of single gene. Ex (brown blue eyes). Mitosis- Cell division that produces new cells having exactly the same number of chromosomes pairs, and hence genes, the parent cells. Meiosis- Cell division, that produces the sex cells, each of which has half the number of chromosomes, and hence, as the parent cell. Homozygous refers to a chromosome pair that bears identical alleles for a single gene. Heterozygous- refers to a chromosome pair that bears different alleles for a single gene. Genotype- The actual genetic makeup of an organism. Phenotype- The physical appearance of an organism that may not reflect a particular genotype because the latter may or may not include recessive alleles. Hemoglobin- the protein that carries oxygen in the red blood cells. Sickle-cell anemia- an inherited form of anemia caused by the red blood cells assuming a sickle shape. Loc. in chromsone#21 3 copies. Polygenetic inheritance- When 2 or more genes work together to effect a single phenotypic character. Population- individuals that can interbreed. Gene Pool- the total genes of a population. Hardy-Weinburg Principle- Demo algebraically that the percentage of individuals that are homozygous for the dominant allele, homozygous for the recessive allele, and heterozygous should remain constant from one generation to the next, provided that certain conditions are met. Evolution- A heritable change in genotype that becomes effective in the gene pool of a pop. Mutation- Chemical alteration of a gene that produces a new allele. Genetic Drift- Chance fluctuations of an allele frequencies in a gene pool of a popu. (Mud slid). Gene flow- the introduction of alleles from the gene pool of one pop into that of another. (River dividing mammals). Divergent evolution_ an evolutionary process in which an ancestral pop

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