Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Stack #172316

Mr. Olson 6th Grade Chap 1 E

Animal-like plankton are called __________. zooplankton
In ocean water, oxygen, carbon dioxide, and nitrogen are present as ______________. gases
The fresh water in rivers is less ___________ than ocean water. dense
In ocean water, sodium chloride, potassium chloride, and magnesium chloride are present as dissolved _____________. salts
What is a self-contained underwater breathing apparatus called? scuba
The plants and animals that live on the ocean floor and do not swim are called ____________. benthos
Water temperature _____________ as ocean depth increases. decreases
The organisms that live on or near the ocean's surfaace and drift with currents are called ________________. plankton
What keeps water in the deepest regions of the ocean from freezing? pressure
The total amount of dissolved salts in ocean water is called _____________. salinity
Plantlike plankton are called ____________. phytoplankton
Sand particles, bits of shells, and decaying organisms that do not dissolve in ocean water form _____________. sediment
The total amount of dissolved salts in ocean water is called _________________. salinity
Ocean water is a mixture of water and ______________. salts
Because phytoplankton need sunlight for ___________________, they must live near the surface of the ocean. photosynthesis
Created by: mr.olson