Vocabulary
the number of live births each year per 1,000 people
birthrate
the number of deaths each year per 1,000 people
deathrate
Modern Humans evolved in ____________ about ________ years ago
Africa; 200
________ force people to migrate to escape death and serious danger
wars
total number of people in an area
population
the movement of people from one place to another
migration
About 100,000 years ago when people started migrating across the Earth, the population was less than _____________ people.
1 million
The population is predicted to reach 11 _________________ by year 2030.
billion
how the population is spread out over an area
population distribution
the movement of people by force
Today the Earth's population is about _____________ people.
10 billion
The ______________ increases when there are wars, diseases, and hunger.
deathrate
the science that studies how population is distributed and changes
demography
the movement of people by their own choice
voluntary migration
The _______________ increases when there ample food, clean drinking water and medicine.
birthrate
Climate, resources, and jobs are reasons for ___________________________ (2 words)
voluntary migration
The measurement of the amount of people in an area
population density
the movement of people to cities and the growth of cities
urbanization
State 3 factors that affect population distribution (how population is spread out over an area)
food, water, and jobs
Wars, diseases, natural disasters, and hunger are reasons for ______________________ (2 words)
involuntary migration
as cotton farms started spreading, many African Americans were forced to ________________.
migrate