Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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

Bio 4/5

Population density The number of organisms compared to the unit of living space
Dispersion Arrangement of population in an environment
Density independent Enviormental factor such as storms or extreme heat
Density dependent Envormental factors such as predatuon, disease, and compotition. This depends on the population in a area
Emigrate Moment of individuals away from a population
Population growth rate Explained how fast a population grows
Immigration Movement of individuals in a population
Carrying capacity Largest number of individuals in a space that an environment can support
Extinction The disappearance of a spices when the last members of does
Bio diversity The number of of different spices living in one area
Genetic diversity Verity of inhabitable traits in a inbreeding population
Spices diversity In a biological community, the number and abundance of different spices
Ecosystem diversity A verity of different ecosystem under a bio sphere
Created by: Jhair



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:
restart all cards