An examination of major patterns and processes in the ocean’s pelagic and benthic ecosystems, emphasizing analysis of mechanisms controlling production and abundances of organisms, from plankton to fish. Introduces the interdisciplinary study of effects of anthropogenically induced changes in climate on organisms, ecosystem processes, and biogeochemical cycles. The laboratory will include a combination of field experiences and quantitative examinations of real oceanographic data sets. Lecture and laboratory. Prerequisites: MRNE 110, BIOL 106.