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

Chapters 22,23,24

QuestionAnswer
Aristotle's scala naturae is ranked in order of what? Complexity
Individuals___evolve,but populations____evolve. dont, do
Artificial selection can only be done by____? humans
Why is the Grand canyon an example of allopatic speciation? It is something physical dividing a population
How can differences between separated populations occur? Natural selection, genetic drift, and mutations
How could mutation change alleles frequences? introduces variation in a population
What was one good think did Lamark realize in his studies? Realized things do gradually change of time
If a giraffe couldn't reach the tree's leaves, would it purposely evolve so that it could? no organism cant purposely evolve
evolution/ natural selection is not a ____ process, instead it is a creating one editing
what are three ways sympatric speciation can occur? they could be polyploidy, habitat differentiation, or sexual selection
Natural selection can increase the match of what? organism and there environment
what are three alternate ways to find what a species is? morphological specie concept, ecological specie concept, phylogenetic specie concept.
What is the vestigial structure of some snakes? Some grow limb bones even though they wont be used
How do we know we have a different species? When the can no longer produce fertile offspring
Created by: LaurenMarie
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