Save
Upgrade to remove ads
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

U2L05

AP Biology B

QuestionAnswer
Plant morphological adaptations for growing in darkness. Etiolation
A growth response that results in the curvature of whole plant organs toward or away from stimuli due to differential rates of cell elongation. Tropism
A plant hormone that slows growth, often antagonizing the actions of growth hormones. Two of its many effects are to promote seed dormancy and facilitate drought tolerance. Abscisic acid (ABA)
A gaseous plant hormone involved in responses to mechanical stress, programmed cell death, leaf abscission, and fruit ripening. Ethylene
The growth phase in a plant or plant part (as a leaf) from full maturity to death. Senescence
A type of programmed cell death, which is brought about by activation of enzymes that break down many chemical components in the cell. Apoptosis
Effects of light on plant morphology. photomorphogenesis
A physiological cycle of about 24 hours that persists even in the absence of external cues Circadian rhythm
A physiological response to photoperiod, the relative lengths of night and day. An example of photoperiodism is flowering. Photoperiodism
A plant in which flower formation is not controlled by photoperiod or day length. Day-neutral plant
A plant that flowers (usually in late spring or early summer) only when the light period is longer than a critical length. Long-day plant
A plant that flowers (usually in late summer, fall, or winter) only when the light period is shorter than a critical length. Short-day plant
A directional growth of a plant in response to touch. Thigmotropism
Nonliving; referring to the physical and chemical properties of an environment. Abiotic
Pertaining to the living factors—the organisms—in an environment. Biotic
Created by: jtaylor422
Popular Biology 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