Yet these claims demonstrate a profound misunderstanding of the ecology of human systems. The conditions that sustain humanity are not natural and never have been. Since prehistory, human populations have used technologies and engineered ecosystems to sustain populations well beyond the capabilities of unaltered ânaturalâ ecosystems.
Academic discourse is the specific style of discourse used in the academic world. Other types of discourse include common, which is basic interpersonal communication, and formal, which is discourse with a greater number of rules restricting communication. To unlock this lesson you must be a Study.com Member.
For the astronomical sense of the term semester, see Eclipse cycle. An academic term (or simply term) is a portion of an academic year, the time during which an educational institution holds classes. The schedules adopted vary widely. 1  A quarter system divides the academic year into four terms, one per season, with attendance required in three quarters per year to total 32 to 36 weeks of instruction.