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

Evolution- Shamrell

Evolution & Change

evolution change over time
population a group of the same species that live in the same place at the same time
species a group of organisms that can interbreed with each other
variations differences among individuals within a population or species
mutation change in the DNA sequence that creates more variation in a population
trait characteristic of an organism
heritable something that can be passed on to offspring
adaptation trait that improves and organism's chance to survive and reproduce
fitness measure of an organism's ability to survive and reproduce
speciation the formation of a new species due to separation of a population into two groups that can no longer reproduce
niche role and position a species has in its environment; the job of an organism
fossil the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
comparative anatomy the study of similarities and differences in the body structure of different species.
natural selection the process where organisms that are better adapted to their environment tend to survive and produce more offspring
artificial selection when humans selectively breed organisms to produce offspring with more desirable traits
homologous the same or similar
resistance the ability not to be affected by something; immune
camouflage The hiding of something as a result of its appearance
gene pool Combined genetic information of all the members of a particular population.
Created by: Mrs. Shamrell