Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account


the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water


all organisms that swim actively in open water, independent of currents


organisms (plants and animals) that live at or near the bottom of a sea

food web

network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem

intertidal zone

part of the shoreline that is underwater at high tide and exposed to the air at low tide


the tidal arm of a river


the science of cultervating marine fish.


small like pertrusion


a device that bounces sound waves off underwater objects and then records the echoes of these sound waves

continental shelf

a gently sloping, shallow area of the ocean floor that extends outward from the edge of a continent

continential slope

a steep slope from the continential shelf to the ocean floor


process of removing salt from salt water

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording