Lesson 4 Part 2 Review

Front

Demographer

Back

Scientist who studies human populations

Front

Birth Rate

Back

The number of live births per 1000 people in a year

Front

Death Rate

Back

The number of deaths per 1000 people in a year

Front

Desertification

Back

The spread of dry desert-like conditions

Front

Population

Back

The total number of people living in an area

Front

Population Density

Back

The number of people per unit of land area (sq. mile or sq. kilometer)

Front

Population Distribution

Back

The spreading of people over an area of land

Front

Describe how rate of world population growth has changed

Back

Population grew slowly until about 200 years ago when it began to increase quickly

Front

Reasons for rapid population growth

Back

Better food supply, better medicine

Front

Negative effects of population growth on people

Back

Shortages of food, water, medicine, and other resources