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

Honors Bio Ch16

Natural Selection

TermDefinition
Principle of Common Descent Idea that all species, living and extinct, are united by descent from ancient, common ancestors
Analogous structures Body parts of organisms that share similar function but different structure and evolutionary development
Charles Darwin English naturalist (1809-1882) best known for his contributions to the theory of evolution
Artificial Selection Selective breeding
Fitness How well an organism survives and reproduces in its environment
Study of geographic distribution patterns of living and fossil species Study of geographic distribution patterns of living and fossil species
Vestigial structures Referring to ancestral traits that have diminished in size or functional capacity
Gene pool All genes and alleles present in a population
Adaptive radiation Process by which a single species evolves into divergent forms that fill different roles, or niches, in their environment
Convergent evolution Process by which unrelated organisms independently evolve similarities when adapting to similar environments
Adaptation Heritable characteristic that increases an organism’s ability to survive and reproduce
Natural selection Process by which organisms with variations most suited to their natural environment survive and leave more offspring; also called survival of the fittest
Homologous structures Similar structures shared by related species and inherited from a common ancestor
Allele frequency Percentage of an allele in the gene pool
Evolution Change in the genetic make-up of a population over time; process by which modern organisms descended from ancient ones
Created by: KES-HFHS
Popular Biology 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