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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

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


what is an example of population? the bass in iowa
the density of a population is? Number of individuals per unit area
what would most likely cause a large number of density independent deaths in a population? disease
what organisms have the highest reproductive potential? preditors
in which of the relationships is neither species harmed? commensalism
the number of wild horses per square kilometer in a prarie? population density
a female dogs niche would be fleas
an example of population all maple trees in a forest
difference between a parisite and a preditor paristes depend on a host, preditors don't need a host
what has the greatest effect on reproductive potential? the organisms ability
exponential growth? they continue to grow faster.
carrying capacity? maximum population that the ecosystem can support indeffinately.
niche includes the species physical home and enviromental factors neccesary
demography study of populations
age structure the distribution of ages in a specific population at a certain time.
survivorship percentage of a group that are likely to survive to any given age
fertility rate number of babies born each year per 1000 womenin a population
migration movement of individuals between areas.
life expectancy average number of years a person is likely to live.
demographic transition a model that describes how these changes can occur
Created by: thetank8