Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


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.
Don't know
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards
share
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

Cycling of Matter

7.5C Cycling of Matter

TermDefinition
Biomass Material from living or recently living organisms composed of a mixture of organic molecules containing hydrogen, carbon, often nitrogen, and small quantities of other atoms.
Decay The natural process or result of being slowly broken down or decomposed, chiefly by bacteria and fungi.
Decomposers Organisms such as bacteria and fungi that break down the remains of dead plants and animals, without need for internal digestion.
Bacteria A highly diverse group of single-celled, prokaryotic organisms.
Fungi Microorganisms important as decomposers; widely distributed and can break down just about any type of organic matter.
Microorganisms Organisms too small to be seen by the unaided human eye, such as bacteria and fungi.
Detritivore An organism that feeds on and breaks down dead plant or animal matter; includes decomposers (bacteria and fungi) as well as larger organisms such as insects and worms, serving as primary consumers in a food chain.
Water Cycle The movement of water through the atmosphere, the ground, bodies of water, and living things; the continuous movement of water above, on, and below Earth’s surface.
Carbon Cycle The cycle by which carbon is exchanged among the soil, biosphere, lithosphere, hydrosphere, and atmosphere of the Earth.
Nitrogen Cycle The process by which nitrogen is converted between its various chemical forms as it is exchanged among the soil, biosphere, lithosphere, and atmosphere of the Earth.
Created by: trauberk