This document provides information about oceans and marine life. It discusses the five major oceans, typical wind speeds in ocean zones, key facts about marine life including that oceans contain 99% of living space and life began in the sea over 3 billion years ago. It also summarizes the four zones of the marine environment - pelagic, benthic, abyssal, and intertidal. Various plant and animal species that live in the oceans are briefly mentioned.