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ocean vocab

science words

QuestionAnswer
an untethered submersible, equipped with cameras and sensors, that navigates by sound beacons for long periods of time, "sleeping" on the ocean floor between pre-programmed duties until signaled to ascend for recovery ABE (Automated Benthic Explorer)
a large portable container that divers can enter after they've surfaced to help their bodies return to normal atmospheric pressure Decompression chamber
a device used to determine depth by sound waves echo sounder
a unit of measure for ocean depth. ____ is 6 ft fathom
Unmanned submersible tethered to a mother ship and operated by pilots using a joy stick ROV (remotely operated vehicle)
used to calculated the distance to an object using sound waves-sound navigation ranging SONAR
A small submarine used to explore the ocean depths; equipped with windows, lights, mechanical arms, cameras and other scientific instruments capable of seeing and recording data submersible
the non-living factors of the enviroment that an organism lives in Abiotic factor
lowest layer of the ocean, where light does not reach aphotic zone
organisms that live on the bottom of the ocean or other body of water benthos
the living organisms of the enviroment biotic factor
feed on other organisms (plant or animal) because they cannot make their own food consumer
free-swimming organisms whose movements are independent of the tides, currents, and waves nekton
a living that that produces its own food within itself, usually by using sunlight energy in photosynthesis producer
the movement of cold water upward from the deep ocean that is mused by wind upwelling
beyond the edge of the continental shelf nekton zone
a marine reef/mound that has been built up over thousands of years from limestone deposited in skeletons of coral polyps coral reef
Created by: alice670
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