| A | B |
|---|
| salinity | measurement of the dissolved solids in seawater |
| phytoplankton | microscopic oceanic plants |
| zooplankton | micrscopic sea animals |
| thermocline | layer of rapidly decreasing temperature in the ocean |
| sea | smaller part of ocean surrounded by land |
| Alvin | minisub |
| turbidite | graded bed formed by an undersea landslide |
| authigenic sediment | "formed in place" material on seafloor |
| plankton | "floaters" |
| nekton | "swimmers" |
| benthos | "bottom dwellers" |
| pelagic | entire ocean water area |
| neritic zone | water over the continental shelf |
| oceanic zone | all water area except over shelf |
| specific heat capacity | heat required to raise a unit mass of substance by one degree of temperature |
| mixed layer | surface layer of the ocean |
| calcareous | contains calcite |
| siliceous | contains silica |
| SONAR | sound navigation and ranging |
| fathom | unit of measuring length = 6 feet |
| intertidal zone | another name for the beach zone or littoral zone |
| sublittoral zone | zone of life on the continental shelf |
| bathyl zone | zone of life on the continental slope |
| abyssal zone | zone of life on the abyssal plain |
| hadal zone | zone of life in oceanic trenches |
| sargassum | brown seaweed |
