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.

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
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



succession primary, secondary, a gradual change in an ecosystem, sometimes occurring over hundreds of years
primary succession a glacier moves and their is bare land.
pioneer plants plants that take over a bare area.
mossy stage A thin layer of soil and mosses take over. Bird droppings and organic matter get trapped in the dense moss
grassy stage grasses, flowers, and trees start to grow.
climax community spruce and hemlock trees, can stay the same for thousands of years
pollution waste damage in an ecosystem
acid rain acids and water vapor mix and condense, fall to earth
conserving saving
reduce cutting down
reuse use again
recycle use again to make a new item
secondary succession A natural disaster happens.
Created by: studyrocker