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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
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


This is the vocabulary for Evolution and Natural Selection

Adaptation The changes an organism makes to better survive
Nutrient Food or substance that is required for homeostasis
Behavior The reaction of an organism to its surrounding environment
Fossil The remains or imprints of a once-living organism
Ecosystem All the living and non-living things in an area working together
Fossil Record What provides information about life on Earth and its change over time
Environment The living and non-living things an organism interacts with
Characteristic A distinguishing trait of an individual organism
Variation Natural differences in traits within members of a species
Artificial Selection The process in which organisms are CHOSEN to produce offspring based on genotype and phenotype
Natural Selection The process in which organisms that have desirable traits successfully produce offspring
Evolution The process in which populations gradually change over time
Endangered Species A species whose numbers are so small that they're at risk for extinction
Extinction The death of an entire species
Theory A well-supported, evidence-based explanation of WHY things happen in nature
Law A evidence-based explanation of HOW the physical behavior of the universe works.
Created by: MissWhitmore