Busy. Please wait.
Log in with Clever

show password
Forgot Password?

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

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



Analogous structures pertain to the various structures in different species having the same function but have evolved separately, they do not share the same ancestor.
Biological classification is the process by which scientist group living organisms. organisms are classified based on how similar they are.
Charles Darwin A British naturalist of the nineteenth century
Extinct having no living members
Homologous structures is an example of an organ or bone that appears in different animals, underlining anatomical commonalities demonstrating descent from a common ancestor.
vestigial structures are often homologous to structures that are functioning normally in other spaces.
adaption adapting to something / getting used to something or someone
convergent boundaries a tectonic boundary where two plates are moving toward each other
divergent boundaries divergent plate boundary a tectonic plate boundary where two plates are moving away from each other and new crust is forming from magma that rises to the earths surface between the two plates.
Genetic variation different genes
morphological relating to the form or structure of things
phenotype the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment
genotype the genetic construction of an individual organism
plate tectonics is the theory that the outer rigid layer of the earth is divided into a couple of dozen "plates".
species a group of living organisms consisting of similar individuals
mimicry the action of imitating someone of something typically in order to entertain
camouflage hide something
traits a distinguishing quality or characteristic typically one belonging to a person
transform boundaries are places where plates slide sideways past each other
variation a change or difference in condition, amount or level, typically with certain limits
natural selection the differential survival and reproduction of individuals due to the difference in phenotype it is a key mechanism of evolution.
Created by: Emma_Hess101
Popular Science sets




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:
restart all cards