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.

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
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

ecology

TermDefinition
Renewable A resource that is naturally replaced in a relatively short time
Solar energy energy from the sun
Biomass fuel made from things that were once alive
geothermal energy heat energy in Earths interior from water or streams that had been heated by magma
Fuel material such as coal, gas, or oil that is burned to produce heat or power
nonrenewable a resource that forms at a rate that is much slower than then the rate in which it is being consumed
Fossil fuel a nonrenewable energy resource formed from the remains of organisms that lived long ago
conservation the action of conserving something, in particular
pollution the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects
pollutant a substance that pollutes something, especially water or the atmosphere
air pollution the contamination of the atmosphere by the introduction of pollutants from humans or natural sources
water pollution when a body of water is contaminated, mostly by human activities
contour plowing plowing along the contours of the land in order to minimize soil erosion
windbreaks a structure such as a row of trees or a fence, wall, or screen, that provides shelter or protection from the wind
conservation plowing plowing depending on the direction of the land
conservation the action of conserving something, in particular
pollution the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects
pollutant a substance that pollutes something, especially water or the atmosphere
air pollution the contamination of the atmosphere by the introduction of pollutants from humans or natural sources
water pollution when a body of water is contaminated, mostly by human activities
contour plowing plowing along the contours of the land in order to minimize soil erosion
windbreaks a structure such as a row of trees or a fence, wall, or screen, that provides shelter or protection from the wind
crop rotation a system of farming in which a piece of land is planted with different crops in succession, in order to improve soil fertility and control crop pests and diseases
fallow plowed and harrowed but left unsown for a period in order to restore its fertility as part of a crop rotation or to avoid surplus production
Created by: giselladms