Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.

Remove Ads
Don't know
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards




share
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 chapter 7

QuestionAnswer
Adaptation a characteristic that improves an individual’s ability to survive and reproduce in a particular environment
Species a group of organisms that are closely related and can mate to produce fertile offspring
Evolution the process in which inherited characteristics within a population change over generations such that new species sometimes arise
Fossil the remains or physical evidence of an organism preserved by geological processes
Fossil record a historic sequence of life indicated by fossils found in layers of the Earth’s crust
Trait a genetically determined characteristic
Selective breeding the human practice of breeding animals or plants that have desired characteristics
Natural selection the process by which organisms that are better adapted to their environment survive and reproduce more successfully than less well adapted individuals do; a theory to explain the mechanics of evolution
Generation time the period of time between the birth of one generation and the birth of the next generation
Speciation the formation of new species as a result of evolution
Homologous structures anatomical features that have similar evolutionary origins and exhibit similar anatomical patterns
Created by: lsvocab