Without these currents, the sea would remain a stagnant body of water that could support no life. The writer outlines the concept of oceanic currents, as well as discusses their important duties with regard to all life on the planet. Bibliography lists 3 sources. Oceanography is the study of the earth's oceans. The different subfields are explained.
Chemical oceanography is emphasized and discussed.
Bibliography lists 4 sources. An 8 page overview of the impacts of overfishing on sharks and other species, some of which might not be immediately obvious as to their relation with the shark. Emphasizes that our oceans are fascinating testaments to the complexity and interrelationships of living organisms, that they are comprised of a number of interrelated components, each with its own ecological value. Details possible impacts to both open water diversity and coral reef biodiversity as a result of the overfishing of sharks. Bibliography lists 8 sources.