ABE (automated benthic explorer)
an untethered submersible, equipped with cameras and sensors, that navigates by sound beacons for long periods of time
a large portable container that divers can enter after they've surfaced to help their bodies return to normal atmospheric pressure
a device used to determine depth by sound waves
a unit of measure for ocean depth. One fathom is 6 feet
study and exploration of the world's oceans
ROV (remotely operated vehicle)
unmanned submersible tethered to a mother ship and operated by pilots using a joy stick
scuba (self-contained underwater breathing apparatus)
device that allows divers to breathe underwater for long periods of time
sonar (sound navigation ranging)
a device that determines the distance of an object under water by recording echoes of sound waves
a small submarine used to explore the ocean depths; equipped with scientific equipment capable of seeing and recording data
the non-living factors of the environment that an organism lives in
lowest layer of the ocean where light does not reach
the living organisms of the environment
production of light through chemical processes
production of organic material from chemical reactions
top layer of the ocean where sunlight penetrates
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