Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

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.
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

BB Ch 3 Vocab

Agricultural Density The number of farmers on a section of arable land.
Arable Farmable
Arithmetic Density The number of total people on a section of land.
Baby boom A period of high birth rates, usually occurring after wars
Baby bust A period of lower birth rates, usually occurs after a baby boom.
Birth deficit Term for when the crude death rate exceeds the crude birth rate
Carrying capacity The amount of people the land is capable of sustaining
Cohort A population group distinguished by a certain characteristic
Demography The study of populations and people
Dependent population Nonworking people age 0-14 and over 65
Dependency ratio Ratio of nonworking population versus the working population
Distance decay When something moves further from the source, the connection weakens
Echo A period of high birth rates that occurs when children from a baby boom reach childbearing age
Expansive population pyramid A population pyramid with a wide base, signalling a high number of births in a country
Life expectancy The average amount of years a person is expected to live
Midlatitudes Area from 30-60 degrees north and south of the Equator, known for mild climates and good soil
Overpopulation A situation in which there are too many people and not enough resources in a given area
Physiological Density Number of people per unit of arable land
Population Distribution Where people are located in a given area
Population Density How crowded a given area is
Population Pyramid Method for measuring the age and sex of a given population
Potential Workforce People from 15-64 in a country's population, expected to be society's labor force
Sex ratio The number of men versus women in a given area
Stationary Population Pyramid A population pyramid with a narrow base, signalling lower birth rates and a low natural increase rate
Created by: trisjohnson
Popular AP Human Geography sets




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