BIO403 (Liberal Arts) $ Ecology 6 hrs. 4.5 crs. An examination of the factors comprising ecosystems with emphasis on the specific relationships between plants and animals in various types of habitats. Particular attention to the ecological role played by man. Preq: BIO 202. 3 hours lecture, 3 hours laboratory. Laboratory and field work will consist of studying those physical, chemical and biological techniques which are useful in environmental analysis.