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
edit
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

change overtime

TermDefinition
Evolution The process in which inherited characteristics within a population change over generations
Mutation An accident that results in a permanent change in the DNA code.
Adaptations Structures, functions, or behaviors that improve a species’ ability to survive and reproduce in an environment
Natural Selection The process by which individuals that are better adapted to their environment survive and reproduce more successfully than less well-adapted individuals do
Fossil Trace remains of an organism that lived long ago
Fossil Record The timeline of life formed by studying fossils.
Variation A trait that makes an organism different from other members of the same species
Extinct/Extinction No members of a species are alive today.
Diversity Differences in the traits or adaptations of the members of a population due to differences in the genetic codes
Evidence for Evolution Fossil records, radiometric dating, genetic information, the distribution of organisms around the world, and physical similarities shared by different species
Species A group of organisms that are so closely related genetically that they can mate to produce more of the same kind of organism
Created by: 3059316
Popular Earth Science 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