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Luoma, John R.; Krupkin, R. Scott – Journal of College Science Teaching, 1990
A demonstration that can be used to illustrate diffusion and osmosis is presented. Discussed are materials, procedures, and an explanation for the effect. (CW)
Descriptors: Biological Sciences, Botany, College Science, Higher Education

Tyrrell, Lucy – Journal of College Science Teaching, 1989
Presents an identification method which uses the process of elimination to identify pollination systems. Provides the polyclave key, methodology for using the key, a sample worksheet, and abbreviation codes for pollination systems. (MVL)
Descriptors: Biological Sciences, Botany, College Science, Floriculture