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Since 2005, there have been several outbreaks of foodborne illnesses that have made people sick and resulted in the deaths of some Why don't scientists simply conduct intervention studies rather than those that are epidemiologic when some foods are thought to be contaminated so that they can be sure which foods are at fault and remove them from the food supply promptly?
Racial Hierarchy
A system of classification that positions different races or ethnic groups in a ranked order, often with the erroneous justification of innate superiority or inferiority among them.
Caste System
A traditional form of social stratification based on heredity, primarily found in India, classifying people into rigid hierarchical groups based on their occupation and birth.
Hierarchical System
A structured organization of positions or levels in which entities are ranked one above the other based on authority or status.
Genetic Variation
The diversity of gene frequencies within a population, which contributes to differences in physical, physiological, and behavioral attributes.
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