Create an account
These allow phytoplankton and seaweeds to live deeper in the ocean where light is very reduced.
The __________ depth is the depth at which the production and consumption of oxygen by autotrophs is equal.
Macroalgae or seaweeds lack __________ tissue. They are thin to allow for diffuse of gases and because of the marine environment not a risk of drying out.
This material on seaweeds provides additional protection from drying out when the tide goes out.
This structure in fish, through altering the gas pressure, allows fish to adjust depth in the water.
microscopic phytoplankton that have a silicate cell wall - most abundant photosynthetic organism in ocean
made of silky material with pores; is used to take water samples and to find phytoplankton
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!Reload
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