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

Stack #4637701

TermDefinition
Evolution The theory that life has existed for billions of years and changes over time through descent with modification by natural selection
Abiogenesis Processes from which life arose on Earth from nonliving matter
Scientific Theory (in science) A well-substantiated explanation supported by multiple lines of independent evidence
Natural Selection Process in which individuals with heritable traits better suited to their environment leave more offspring
Descent with Modification Species change over generations as heritable traits become more common
Genetic Variation Differences among individuals within a population
Artificial Selection Human-directed selection of desired traits
Reproductive Fitness Ability to survive and leave offspring
Lamarck – Inheritance of Acquired Characteristics Traits acquired during an organism’s lifetime are passed to offspring
Lamarck – Use and Disuse Frequently used structures become stronger; unused structures deteriorate
Vestigial Structures Traits that no longer provide functional advantage but persist
Direct Observation Evolution observed occurring in real time
Pesticide Treadmill Cycle where pesticide use selects for resistant individuals, requiring stronger chemicals
Homology Similarity in structures due to shared ancestry
Fossil Record Preserved remains showing historical sequence of life
Transitional Fossil Fossil showing intermediate features between ancestral and modern forms
Biogeography Study of distribution of species in geographic space and geological time
Extinction Failure of a species to adapt leading to disappearance
Microevolution Evolution occurring within populations over generations
Heritable Trait Trait that can be passed genetically to offspring
Created by: user-1770278
 

 



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