Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

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 email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
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


Evolution Terms

Species A group of similar organisms that can mate with each other and produce fertile offspring
Adaptation A trait that helps an organism survive and reproduce
Evolution Any process of change over time
Natural Selection Individuals with variations thath make them better adapted to their environment will survive
Overproduction Species produce more offspring than can can survive
Variation Differences between individuals of the same species
How a new species forms? When a group of individuals remains separated from the rest of its species long enough to accumulate different traits
How fossils form? When organisms become buried under sediments after they die
Petrified Remains of organisms that are actually changed to rock
Mold A mold forms when hard parts of an organism buried by sediments are gradually dissolved
Created by: shade101