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

Ch6 Evolution

Adaptations over Time

QuestionAnswer
Evolution changes in hereditary features over time
Species similar organisms whose members successfully reproduce
Variation a difference in an inherited trait of an organism that may lead to a new species
Natural Selection organisms with traits best suited to their environments are more likely to survive
Gradualism evolution model showing slow change
Fossils remains of once-living things
Sedimentary fossils are found in this type of rock
Relative Dating method to estimate the age of fossils
Embryology study of organisms in their earliest stages
Vestigial Structure body part with no apparent function which may have had a function in the past
Homologous body parts similar in origin and structure
Punctuated Equilibrium rapid evolution can come about by the mutation of just a few genes
Radioactive Element element that gives off a from of atomic energy
Factors (Principles) of Evolution organisms produce more offspring that can survive, variations exist in a population, variations pass on to offspring, some variations are helpful and, over time, offspring with helpful variations my become a separate species
Adaptation the process by which a species becomes better suited to its environment.
Created by: kmlingle
Popular Biology 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