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23 Cards in this Set

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