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 vocab

TermDefinition
species A group of organisms whose members successfully reproduce among themselves.
evolution Changes that occur over time in the hereditary features of a species of organisms.
natural selection Darwin’s theory of evolution, states that organisms best adapted to their environment are more likely to survive and pass their traits to their offspring.
variation The occurrence of an inherited trait that makes an individual different from other members of the same species.
fossill Remains of life from an earlier time.
relative dating Estimating the age of a fossil by comparing it to younger fossils in the rock layers above and to older fossils in the rock layers below.
homologous Body parts in different species that are similar in origin and structure.
vestigial structures A body part that is reduced in size and that has no obvious use.
embryology The study of the development of embryos, which are the earliest stages of an organism's development.
homo sapiens Our own species, a hominid primate mammal; evolved 300,000 years ago.
extinction The dying out of an entire species.
endangered species A species with so few individuals left that it is in danger of extinction.
Created by: savi5613
 

 



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