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Composition of sea water, variations in temperature of sea water, substances dissolved in sea water, sediments that cover the sea floor and topography of the sea floor.
Time-lapse cinematography reveals slow activity of the sea anemone’s body and tentacles connected with feeding, and shows that slow locomotion along the sea-bed is constantly taking place.
One of a series of 13 short films about remarkable scientific discoveries by Nobel prizewinners and their colleagues. This programme looks at the work of three Nobel winners: Sweden’s Gustav Dalén makes...
To measure mean sea level, the effects of tides and weather must be accurately known and the effects of land movements and ice cover can dominate local measurements. Uncertainties about future rates of rise...
Illustrates the life cycle of the sea star (starfish) and shows the adaptations of its body for life in the difficult environment of the intertidal zone. Shows the characteristics which other echinoderms...
Sea floor spreading and the theory of plate tectonics is now widely accepted, buy why continental plates split as they do to form new ocean basins is still unknown. Most early evidence of splitting in the...
Reaction of the swimming sea anemone to stimulation by star fish, electricity and objects encountered before and after swimming. Made at Alberta University.
Shows two aspects of the behaviour of the ‘swimming’ sea anemone ‘Stomphia coccinea’ - its stimulation by starfish and its reaction to mussel shells.
The Black Sea, one of the world’s most polluted marine environments, has become a toxic soup with discharges from industry and agriculture via the rivers of centrl and eastern Europe. The sea’s...
Considers the moving patterns of a changing coastline and sea floor topography as currents and waves continually shift sediment from one place and deposit it elsewhere. Shows scientists deplying seabed...
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