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
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

Vocabulary Quiz

QuestionAnswer
Who observed variations in the characteristics of animals and plants on the different islands of the Galápagos? Charles Darwin
In addition to observing living organisms, Darwin studied the preserved remains of ancient organisms, called fossils
Differences among individuals of a species are referred to as natural variation
Which would an animal breeder use to produce cows that give more milk? artificial selection
Give some features of Darwin's theory the process of natural selection causes organisms to change over time, organisms have been evolving for millions of years, individual organisms differ
An inherited characteristic that increases an organism's ability to survive and reproduce in its specific environment is called an adaptation
The concept that each living species has descended, with changes, from other species over time is referred to as descent with modification
fitness is a result of adaptations
structures that have different mature forms but develop from the same embryonic tissue are homologous structures
What is natural selection? change that happens when nature is at work
what is survival of the fittest? process by which individuals that are better suited for their environment survive and reproduce most successfully
vestigial organ organ that serves no useful function is an organism
Created by: Lauren Pole
 

 



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