Study Guide for Chapters: 7,8,9

Which biome has the largest number of species of plants and animals?

• A. tundra
• B. desert
• C. tropical rainforest
• D. taiga

Which fertility rate keeps the population size stable?

• A. replacement fertility
• B. stable fertility
• C. balanced sex ratio
• D. total fertility rate

Which of the following is NOT a cause for loss of biodiversity?

• A. Destruction of habitat
• C. Setting up of zoological parks
• D. Over-exploitation of natural resources

Chemicals that harm embryos and fetuses are known as pathogens.

• True
• False

For most of human history, the population has been relatively

• A. small and stable.
• B. small and rapidly growing.
• C. large and shrinking.
• D. large and rapidly growing.

Regions of the world with the largest populations tend to

• A. have the largest share of global wealth.
• B. have a smaller share of global wealth.
• C. use the most resources per person.
• D. have the greatest ecological footprints.

The study of human populations is called demography.

• True
• False

The study of disease in human populations is

• A. epidemiology.
• B. toxicology.
• D. risk assessment.

A mass of snow sliding down a slope is a mudslide.

• True
• False

A person's age, sex, weight, health issues, and genetic makeup influence how he or she responds to

• A. risk assessment.
• B. natural disasters.
• C. carbon monoxide.
• D. environmental hazards.