Save
Upgrade to remove ads
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

Evolution

evolution and history of life on earth

QuestionAnswer
miller/urey inorganic compounds could have changed to DNA bases
darwin published origin of species, theory of evolution from galapagos island
lamack wrong theory of evolution
wallace almost published darwin's theory
hutton/lyell earth is billions years old
malthus human population can reach a limit
natural selection individuals with better adaptations go on to reproduce
evolution change over time (due to natural selection)
fitness how well an organism can survive/reproduce
fossil record shows species changed over time
Geographic distribution animals in similar environments look similar
homologous structures different mature forms, develop from same embryonic tissue
vestigial organs structures reduced in size/fnct
embyology early stages are similar
peppered moths? ex of industrial melanism
Darwin's finches bigger beaks survived during dry season
horse got bigger stronger over time
directional selection one extreme of phenotypes is better, graph shifts
stabilizing selection neither extreme is better, graph narrows
disruptive selection both extremes are better, graph splits in 2
extinction allows for only best adapted organisms to survive
diseases kills off the unfit
speciation can not produce fertile offspring
geographic isolation separation by geographic structure
behavioral isolation differences in mating strategies
temporal isolation different mating times
gradualism species evolve slow and steadily
punctuated equilibrium evolve steadily with small times of quick change
convergent evolution species evolve with respect with one another
Created by: bchrisman
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