Save
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

QuestionAnswer
Who proposed the Theory of Evolution? Charles Darwin
The gradual change in a species or population over a period of time is called? Evolution
A characteristic that helps an organism survive and reproduce in its environment is called? Adaptation
Structures for protection are examples of an _________________to the environment Adaptation
What do we call similar(SAME) bone structures that tells us a link to a common ancestor? Homologous Structures
Similar bone structures in cats, humans, and whales suggest that... They had similar ancestors
Why did birds on the Galapagos Islands have different beaks than birds on the mainland? They had different food to eat
Left over body parts that have no use are called? Vestigial Organs
We are all humans but look slightly different due to… Variation
The organisms that are best adapted for their environment survive and reproduce. This is called? Natural Selection
Many embryos have characteristics of other organisms but lose them during development. This suggests what? Embryology Similarities
Organisms interact and compete for resources. This is called? Competition
Humans breed plants and animals with desirable traits. This is called? Artificial Selection
Created by: cmterrell
Popular Science 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