Nevertheless, his observations and descriptions were remarkably accurate and his interpretations were perceived as true for over two thousand years until experimental science techniques enabled the modern paradigm shift. The time required varies with the reading level of the students and the reading chosen. The analysis of longer articles may be assigned as homework. Completing the reading in class allows the teacher to make only one class set of the reading material. How the discussion is carried out is entirely up to the teacher.
Small groups allow for maximum student participation.
In introductory or honors classes, the readings can be used to expand student knowledge and to provide practice using the terms that have been introduced through lecture or textbook readings. I use class sets, carefully numbered, that are checked in at the end of the class period. Questions for each article. This activity gives the students an opportunity to read and learn about science from a source other than their textbook. The major topics included are life cycles, reproduction, the Y chromosome, development, and symbiosis.