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


plant process questions

List one example of an internal stimulus and one example of external stimulus internal stimulus: hormones external stimulus: touch, light, gravity
Compare and contrast photoperiodism and phototropism. photoperdism: is the response to darkness phototropism: positive response to light.
List the five main types of hormones in plants how they help determine how plants grow. Ethylene: stimulates the ripening process Auxin: exhibits positive response to light Gibberellins: stimulates the stem to grow and seeds to germinate. Cytokinins: promote growth by faster cell division. Abscisic Acid: stops seeds and buds from growth.
Created by: ammeewing