Tutor and Freelance Writer. Science Teacher and Lover of Essays. Article last reviewed: 2020 | St. Rosemary Institution © 2010-2021 | Creative Commons 4.0

Research, Methodology, and Ethics

Avenues to Knowledge and Reasoning The kinds of research questions you will ask will always depend on the theoretical perspective from which you are working Quantitative and Qualitative Approaches Quantitative refers to numerical data involves converting aspects of social life into numbers and determining whether a significant relationship exists between sets of numbers Qualitative refers…

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. The 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…

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 it 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. The…

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 economists about 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…