This survey course includes: The history of marine exploration, the nature of the ocean floor, including submarine volcanoes, oceanic crust, sea-floor spreading, and marine sediments, coastal geomorphic processes, the properties of seawater, the nature of tides and currents, ecological marine biogeography, including marine plankton, deep-water biota, coral reef communities, and estuarine and intertidal marine communities, and stewardship of marine resources. Laboratory, field trips. Also listed as Geography 251. Prerequisite: high school chemistry and sophomore standing. Not offered 2012-2103.