Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
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.
Didn't know it?
click below
Knew it?
click below
Don't know (0)
Remaining cards (0)
Know (0)
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

Biology Honors-per.2

Vocabulary- Unit 2 Evolution

Evolution hereditary changes in groups of living organisims over time
Natural Selection theory of evolution developed by Darwin, based on four ideas. variations, inheritance excess reproduction and the advantages of specific traits of the environment
Fitness measure of a traits relative contribution to the following generation
Camouflage morphological adaptations that allow organisms to blend into their surroundings
Analogous Structure structure that has the same function but different construction and was not inherited from a common ancestor
Biogeography study of distribution of plants and animals on earth
Vestigial Structure reduced from a functional structure that indicates a shared history
Homologous Structure anatomically similar structure inherited from a common ancestor
Mimicry morphological adaptation in which one species evolves to resemble another species for prtection or other advantages
Hardy Weinbery Principle states that alleic frequencies in populations stay the same unless they are affected by a factor that causes change
Founder Effect random effect that can occur when a small population settles in an area separated from the rest of the population and interbreeds, producing unique allelic variations
Genetic Drift random change in allelic frequencies in a population
Grandualism theory that evolution in small gradual steps over time
Bottleneck process in which a large population declines in number, then rebounds
Endosymbiont Theory explains that eukaryotic cells may have evolved from prokaryotic cells
Created by: Venanciop


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

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

If you've accidentally put the card in the wrong box, just tap 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:
restart all cards