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

Envi. Sci chapter 2

Intro to Enviromental Sustanablity chapter 2 test questions

QuestionAnswer
The greatest source of water in the hydrological (water) cycle is ____? Oceans.
River water held behind a dam is best described as a form of ____ energy? Potential energy.
The tropic level of "Producers" includes any ___? Any organism producing biomass directly from photosynthesis.
The process of ___ generates the oxygen that we breathe and the food that we eat? Photosynthesis.
Which of the following macro-molecules fuels almost all living cells? Carbohydrates.
The greatest human impact on the carbon cycle has been through ___? Combustion of fossil fuels.
In a ____ feedback loop, output that results from a system acts as input that moves the system in an opposite direction. In a NEGATIVE feedback loop.
____ are the primary water-insoluble components of cell membranes. Lipids.
An element associated with most organic compounds is ____? Carbon.
According to the first law of thermodynamics, the total amount of energy in the universe ____? Remains constant.
Most energy in the majority of ecosystems arrives as ___, and exits in the form of ___? Radiation from the sun, heat.
Created by: ZenaAthena
Popular Earth Science 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