Save
Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

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.
Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
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

Evolution Chapter

QuestionAnswer
Evolution Gradual change in species over time (many generations)
Mutation Permanent change in the DNA
Adaptations Traits(physical or behavioral) that help an organism to survive and reproduce in a particular environment
Natural Selection A process by which individuals which are better adapted to their environment are more likely to survive and reproduce than other members of the same species.
Survival of the Fittest A better adapted organism is able to reproduce and pass on its “fittest” genes to its offspring
Fossil Remains of life from another time period that are buried in the earth
Fossil Record Timeline of life found in the layers of the Earth’s crust
Extinction Results when a species does not have traits to survive & so completely dies out.
Genetic Variation Individuals in a populations vary form each other. Variations (adaptations) occur randomly by mutations or reshuffling of alleles during meiosis
Created by: 3093501
Popular Genetics sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards