1 Biologya branch of knowledge or study dealing with a body of facts or truths systematically arranged and showing the operation of general laws:the mathematical sciences. 2  Biologysystematic knowledge of the physical or material world gained through observation and experimentation.
Bracha Alpert has identified three different patterns of classroom discourse: (1) silent (the teacher talks almost all the time and asks only an occasional question),(2) controlled (as in the excerpt above), and (3) active (the teacher facilitates while the students talk primarily to each other).
Discourse Communities, Genres, and Lexis - Final. A discourse course community is a group of people that share a common goal toward reading and writing. In John Swales article, âThe Concept of Discourse Community,â he explains the purpose of a discourse community. Discourse communities have special languages and words they use in order to communicate known as lexis.