THE TEACHING OF BIOLOGY 25 The biological science emphasis. It is definitely not recom- mended that the general science be substituted for the biological science requirement. This substitution is allowed by State Board Regulations merely to provide for those schools which cannot arrange for the students to have a course in biology. The general science textbooks do not adapt themselves to a biological emphasis at the general science level. Teachers find it extremely difficult to organize a general science course around biological science. If a school is forced to offer general science as a substitute for biology, then the teacher must show real ingenuity in planning a worthwhile course. The course should begin with the units on biology. These should be expanded by additional reading, projects, experiments and demonstrations, observation of local plants and animals, and use of audio-visual aids. When units such as air, water, and weather are introduced, special emphasis should be placed on their relationship to living things. THE- RST BIOLOGY STUDENTS SECTION 5. THE TEACHING OF BIOLOGY This section of the bulletin devoted to biology is for the pur- pose of presenting methods of teaching the subject wholly dif- ferent from merely memorizing botanical and zoological clas- sifications and structures. Although necessary at certain levels,