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Speciation: Prezygotic and Postzygotic Barriers

Species: Latin word meaning “kind” Speciation: The origin of new species Macroevolution: The evolutionary changes above the species level eg. Appearance of feathers during the evolution of birds from one set of dinosaurs Anagenesis – one species over time becomes another species Cladogenesis– one species, over time, splits and becomes two species Morphogensis– look at…

Cellular Membranes: Fluid Mosaic of Lipids and Proteins

Selective Permeability: Allows some substances to cross it more easily than others. A phospholipid is an amphipathic molecule, meaning is has both a hydrophilic region and a hydrophobic region. Fluid Mosaic Model: The membrane is a fluid structure with a “mosaic” of various proteins embedded in or attached to a double layer (bilayer) of phospholipids.…

What is Sociology?

Coined by Auguste Comte (1798-1857), meaning the study of society- socius (being with others) ology (the study of) Henslin et al: “simply put, sociology is the discipline study of human social behaviour, especially the investigation of the origins, classifications, institutions, and development of human society on a global level” “the systematic study of social behaviour…

Pros & Cons of Walmart: The High Price of Low Cost

Wal-Mart has been apart of our lives for over 50 years, becoming a dominant force in the retailing sector. There are several disputes amongst economist whether Wal-Mart has a positive or negative influence on our economy and society, many criticizing the Wal-Mart Corporation for its negative and careless approach to becoming the powerhouse it is…

Political Culture & Law

Political Culture Culture: ‘patterns of beliefs and behaviour’ Institutional arrangements Social traits Political culture = cultural attitudes towards politics & government Attitudes, beliefs, values, norms about political issues and ideas Cultural differences among different groups and states Ideology Three categories of political culture: Parochial = negative + low Subject = positive + low Participatory =…

Government Forms: Parliamentary, Presidential, Constitutionalism

Centralization: What Form? Issue: how much centralization of power into the hands of a State government? classification = 4 types 1. Unitary central State government = all powers & govern whole state no legal challenger in political system, unlcss created by central government most common form: 150 states often: no constitution but traditional rules egs?…

Government Systems: Monarchy, Aristocracy, Democracy, Oligarchy

Classification Typology: classification system for claiming broad similarities or differences Aristotle’s typology based on two questions: who rules? in whose interest? Who Rules Lawful (common good) Lawless (private interest) One Monarchy Tyranny Few Aristocracy Oligarchy Many Polity Democracy modern concept of “democracy” = polity — constitutional democracy Dickerson and Flanagan’s modern typology Political System: Liberal…