The Ocean

abundant animals and plants Antarctic approx arrow worms Atlantic barnacle become benthos Blue whale body bottle bottom burrowing Calanus carried catch cells coast colour continental shelf continental slope copepods coral crab creatures crustacea cylinder deep water depth diatoms dinoflagellates Discovery II dredge drift eggs fathoms feed feet Fin whale fish fishery Foraminifera green grow growth haddock hauled high tide mark inch inshore instrument islands krill lagoon land larvae live low tide mark molluscs mussel nekton nets North Sea northern numbers ooze open ocean oxygen photosynthesis plaice plankton plankton animals plant and animal plates polyps population Radiolaria reefs rocks round salinity salps sample sand sea water seaweeds shallow water shell ship shoals shore sink skeletons slope Southern Ocean spawning Sperm whale sponges spring summer surface layer taken temperature tentacles thermometer trawl tropics tube upper waves weed whalebone winter wire young zone