Discussed is the preparation of a lesson plan. The lesson objectives, prerequisite concepts, materials and preparation, lesson, and quizzes are described. The evaluation criteria of the lesson plan is suggested. Provided is an example of lesson plan on guard cells. (YP)

The American Association of Dental Schools' guidelines for oral biology curriculum cover its scope, primary educational goals, prerequisites, sequencing, faculty, course content in each subarea (oral tissues and systems and oral diagnostic methodology), and specific behavioral objectives. (MSE)

Reports results of procedures directed at isolating and identifying students' difficulties in comprehending the concepts involved in lessons about gas exchange and respiration. Indicates that pupils (n=137) had deficient understanding of prerequisite concepts and tended to operate at the concrete operational level, whereas the highly abstract…