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.
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
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


Deciduous Forest Forest with spring and fall seasons and leaf shedding
Rain forest Tropical (warm and moist) forest
Savannah home of the lions and zebras
Tundra/Arctic Extremely cold; snow/ice
Ocean/Marine Underwater ecosystems that include oceans and seas
Coniferous forest cold weather evergreen forests
Grasslands only low lying grasses and few tall trees
Desert hot/dry sandy ecosystem
freshwater bodies of water located within a continent such as lakes and rivers
estuary where streams and rivers run into salt water
Symbiosis Long term relationship between two different species in which one species (usually) benefits
Mutualism Symbiotic relationship in which both organisms benefit from the interaction
Parasitism Symbiotic relationship in which one organism benefits and the other is harmed by the interaction
Commensalism Symbiotic relationship in which one organism benefits and the other is neutral
Ammensalism Accidental interspecies interaction in which one species is harmed and the other is unaffected/neutral
Habitat the natural environment or home for an organism
Community Collection of populations of many different species in an ecosystem
Ecosystem Combination of habitat and community
Abiotic factors Nonliving factors of an ecosystem
Biotic factors All of the living things in a particular area
Created by: MrTranScience