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


species a group of organisms that share similar traits and can reproduce fertile offspring.
competiton a struggle between individuals and species for resources such as food, living space,mates and other resources.
adaptation any variation that makes an organism better suited to its enviroment.
evolution a change in a species over time.
variation the naturalist who proposed the theory of evolution by natural selection.
population an inherited trait that makes an individual different from other members of its species
darwin all of the individuals of a species living in the same area.
natural selection the mechanism of evolution where organisms with the traits best suited to the environment survive and reproduce.
mutation permanent changes in an organism;s genes.
lamarck the scientist who proposed the theory of acquired characteristics.
Created by: daveone