The Facts on File Dictionary of Marine Science

activity algae America animals Antarctic Arctic Atlantic atmosphere bacteria Basin birds body bottom called carbon cells chemical coast cold common compounds contains continental continued coral crab Current deep depends depths Earth east effect environment example exploration feed feet first fish fossil Gulf inches increase Indian individual islands known land latitude layer less light live major marine material means miles million moves natural North occurs ocean organisms origin oxygen Pacific period plankton plants plate Pleistocene polar population present produce range reef region relatively result Ridge rise river rock sailed salinity salt sediment shark shell ship South species Strait structure surface temperature tide tion tropical turn University usually varies voyage warm waves whales wind worms zone