Prerequisite: Undergraduate course in ecology, zoology, or marine science. Students from programs other than MarS must have instructor permission to register for this course. An overview of marine biology that surveys the diversity of marine habitats, major groups of taxa inhabiting those habitats and the general biology of the various taxa. Topics include the impacts of climate change and other anthropogenic impacts in the ocean. Species diversity, structure of marine food webs and the flow of energy within different marine habitats will be detailed and contrasted. The course will cover the major marine ecosystem types and the ecology of the adaptations of marine life occupying these habitats. There will be a particular emphasis on Red Sea systems.