HP Chapter 5

Scientists estimate that modern humans evolved roughly...

130,000 years ago

In which decade did the human population growth rate peak?

1960s

It took until 1804 for the global human population to reach 1 billion. When did the human population reach 5 billion?

1987

Calculate the growth rate experienced by a population of 100 individuals where there were 15 births, 5 deaths, and a net migration of 20.

30%

How did industrialization increase the human population growth rate?

A and B only a. Mechanized agriculture increased food production b. Improvements in medical care and public health services

The maximum population a habitat can support on a continuing basis is called the...

Carrying Capacity

Fertility rates have been falling in nearly every country since the 1950's. However most of the exceptions to this pattern are found in...

Central and Western Africa

"Population momentum" refers to...

Continued population growth after a fall in birth rates

As of 2005 which region had the lowest dependency ratio?

Europe

True or False. Developing countries tend to have lower dependency ratios than developed nations.

False

True or False. Economies tend to be less polluting during the early stages of economic development because they first adapt inexpensive technologies that are comparatively efficient.

False

True or False. Excess Nitrogen in water supplies can inhibit algal growth and can cause aquatic food webs to collapse.

False

The year 2007 marked a milestone for the human population because...

For the first time more people lived in cities than in rural areas

For a city to be classified as a "megacity" it must...

Have more than 10 million inhabitants

Which of the following would not be considered an acute illness?

Heart Disease

According to the I=PAT equation proposed by Ehrlich and Holdren, how would a society's environmental impact change if the population were to increase?

Increase

Which of the following fertility patterns is incorrect?

Rural families tend to have fewer children than city dwellers

Which of the following illnesses is caused by nutritional deficiencies?

Scurvy

Which of the following causes the greatest number of deaths in the United States each year?

Tobacco

True or False. The unit cost of providing basic infrastructure and services is lower in cities than in rural areas.

True