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23 Cards in this Set
- Front
- Back
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how many people live in china?
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1.31 Billion!!!
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How many people live in the world today?
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6.56 Billion!
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how many people live in India?
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1.12 Billion!
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Understand the
history of important human advances and events... |
order of when things such as fire, agriculture, and medicine were discovered.
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when was fire discovered?
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1 million years ago
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when was agriculture discovered?
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10,000 years ago
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when did modern medicine start?
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mostly when penicillin was accidentely discovered in the past 100 years
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advances in science and industry were made
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900 years ago
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what kind of curve are we experienceing in world population?
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a "J" curve
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1 % or .01 growth in population adds 65 million people!
true or false? |
TRUE
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how do you measure the birth rate in DEMOGRAPHIC MEASurMENTS?
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Birth Rate = (B)=# of Births
Death Rate = (D)=# of Deaths Rate of Increase= (B)/(D) |
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the higher that reate of increase LOWERS!
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TRUE
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How long until the population of the world today doubles?`
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50 years
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Replacement Fertility
Level (RFL) |
Average # of Children a couple must have to replace themselves...
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Total Fertility Rate
(TFR) |
Average number of children born to a women in her lifetime.
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TFR> RFL? or RFL> TFR?
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TFR> RFL!!!
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what is population momentum?
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an increase in population numbers. TFR= RFL
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what is population mementum caused by?
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1. Large pre reproductive age
2. India 850 millin in 1990 |
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when is Growth expected to stop? ( if all works?)
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at 2 billion, in 100 years
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Population Growth =
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birhts + immigrants
- deaths - emigrants = zero population growth!!! |
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1/3 of the worldly populaion is undr the age of??? ....
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THIRTEEN YEARS OF AGE
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as of 1997, 80% of the worlds populatin iive in
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developing countries
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one person is born every ? how many seconds?
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9 seconds....
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