Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

Nitrogen fixation

For 330 N-fixation vocab, many from Chapin et al 2011

TermDefinition
Closed system System in which the internal transfers of substances are much greater than inputs and outputs.
Endophyte Microorganisms that live between living plant cells, but usually remain asymptomatic.
Frankia A genus of nitrogen-fixing, filamentous bacteria that live in symbiosis with alder, Ceanothus, and other nonlegume woody species.
Heterocyst Specialized non-photosynthetic cells of phototrophs that protect nitrogenase from denaturation by oxygen.
Nitrogen fixation Conversion of di-nitrogen gas to ammonium.
Nutrient limitation Limitation of plant growth due to insufficient supply of a nutrient.
Oxidation Loss of electrons by an electron donor in oxidation-reduction reactions.
Reduction The gain of electrons by an electron acceptor in oxidation-reduction reactions.
Rhizobia Bacteria that fix nitrogen (diazotrophs) after becoming established inside root nodules of legumes (Fabaceae).
Rhizosphere Zone of soil that is directly influenced by roots.
Symbiosis A close, long-term association between organisms of different species ("living together").
Nitrogenase Enzyme that converts di-nitrogen to ammonium.
Created by: mdcoleman
Popular Ecology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards