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



what effect do animals have on the enviroment they realease cardon dioxide in the atmosphere
plants alter the chemicals in the air how they take nitrogen from the air and help with nitrogen fixation
a puppy chews on objects other than food . this type of behaivor is innate behavior
when effective insecticide is used on a population of insects,most of the insects are killed. however,a few may survive due to genes that make the resistant to the insectiside.what is the best explanation of why this occurs? surviving insects passed on their resistant genes.
the sperm cells of a squirrel have 20 chromosomes. how many are found in a body cell of the same animal. 40 chromosomes
how would a gene be described? the coded instruction for a trait
Created by: lexibug