Human Populations

The size of the human population began to increase exponentially after the

• bubonic plague

• development of plowing and irrigation

• Industrial Revolution

• development of the first cities.

Which of the following is NOT a potential limiting factor of human population growth?

famine medicine war disease

• disease

• war

• medicine

• famine

Name the type of pyramid in the picture.

• slow growth

• rapid growth

• zero growth

• negative growth

Why has the world population dramatically increased?

• Better medicine
• Better sanitation
• Better technology
• All of the above

Number of Individuals per unit area

• density-dependent factors
• carrying capacity
• renewable resource
• population density

What type of growth is shown in the diagram?

• exponential growth
• logistic growth 
• predator-prey cycle
• boom-bust curve

Demographic transition is change from high birthrates and high death rates to

• exponential growth.
• low birthrates and low death rates.
• low birthrates and high death rates.
• indefinite growth.

In Rwanda, there are more young children than teenagers, and more teenagers than adults. This age structure indicates a population that

• has stopped growing.
• will double in 30 years.
• has a steady growth rate.
• will decrease in 30 years.

Most of the worldwide human population is growing exponentially because

• human populations have not reached their exponential curve.
• most countries have not yet completed the demographic transition.
• human populations do not conform to the logistic model.
• the food supply is limitless.

What three factors can affect ANY population's growth rate?

• Birthrate, death rate, migration
• disease, predation, migration
• medicine, agriculture, industry
• life expectancy, sanitation, vaccines