45 terms


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ABE (automatic benthic explorer)
an untethered submersible equipped with cameras and sensors that navigates by sonar for long periods of time, "sleeping" on the ocean floor until signaled to ascend for recovery
decompression chamber
a large portable container that divers can enter after they've surfaced to help their bodies return to normal atmospheric pressure
echo sounder
a device used to determine depth by soundwaves
six feet
the study and exploration of the world's ocean
remotely operated vehicle
Remotely Operated Vehicle
unmanned submersible tethered to a mother ship and operated by pilots using a joy stick
self contained breathing apparatus
self contained breathing apparatus
device that allows divers to breathe underwater for long periods of time
sound navigation ranging used to calculate distances
a small submarine used by scientists to explore the ocean depths with windows, lights, cameras, etc. etc.
abiotic factor
the nonliving factors of the environment that an organism lives in
abyssal plain
mostly flat portion of ocean floor which provides a home to a variety of unique organisms that are adapted to the extreme conditions of this habitat
aphotic zone
lowest layer of the ocean, 100% darkness for only 19.99$!
organisms that live on the bottom of the ocean, instead of saying your a bottom feeder, just call them a bentho
the production of nonthermal light by creatures converting chemical energy to light energy to lure prey or attract a mate or assist in keeping like species together
percent of benthic creatures that glow
biotic factor
living organisms in an environment
the production of organic material by energy from chemical reactions rather than light
feeds on other organisms because they cannot make their own food
continental shelf
a gently sloping shallow area of the ocean floor that extends outward from the edge of a continent
continental slope
A steep incline of the ocean floor leading down from the edge of a continental shelf
a community of different but interdependent species and their nonliving environment
a coastal inlet where fresh river water mixes with salty ocean water
food chain
a hierarchy of food relationships from the simplest to the most complex
the immediate space where an animal or plant lives and has food water and protection
rootlike structures of plants to help hold on to the rocky bottom of the ocean
hydrothermal vent
an opening in the sea floor where superheated water and other material(s) are discharged into the surrounding seawater
intertidal zone
an area that stretches form the highest high tide line to the lowest low tide line on the continental shelf
mid-ocean ridge
a chain of undersea mountains that circles the earth through every ocean
free swimming organisms whose movements are independent of the tides, currents, and waves
neritic aone
the first 200 meters of ocean water including the seashore and most of the continental shelf
oceanic zone
extends from 200 meters deep to all the way down to the bottom of the ocean
ocean trench
the deepest parts of the ocean, deepest one being the Marianas trench about 5 miles
photic zone
the top layer of the ocean where sunlight penetrates
the process by which plants and other autotrophs make food with sunlight
the plant and algae component of plankton the primary producers of most ocean food webs
an autotroph
the amount of dissolved salt(s) in a water sample
a volcanic peak that rises at least three thousand feet from the seafloor
capability of continuing to meet the needs of the present over a long period of time without causing future damage
the movement of cold water upward from the deep ocean caused by wind
animal component of the plankton that feeds on phtyoplankton and other zooplankton