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.