Populations

Worldwide there were 20 births and 8 deaths per 1000 people in 2017. Calculate the growth rate of the world.

• 1.1%
• 2.8%
• 1.2%
• 1.6%

The small town of West Fremont has a population of 50,000.  If the growth rate of West Fremont is 2%, then how long will it take for the population of West Fremont to double?

• 70 years
• 7 years
• 35 years
• 3.5 years

North Fremont’s population growth rate is 5%.  What is the doubling time for North Fremont?

• 1.4 years
• 14 years
• 140 years
• 35 years

The increase in the size of Earth’s human population in the last century has been dramatic. Which of the following identifies two major contributors to this increase?

• New methods of agriculture and the identification of new food crops
• The Industrial Revolution and modern medicine
• New methods of birth control and decreased warfare
• Increased education for women and the development of new pesticides

Which section would see exponential population growth?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-5

If a country were doubling its population every 35 years, what would its growth rate be?

• 1%
• 2%
• 4%
• 8%

Which of the following is NOT caused by anthropogenic activities?

• Forest fires
• Earthquakes
• Oil spills
• Overfishing

The most critical factor in controlling human population growth is

• controlling reproductive lifespan.
• decreasing the age of first birth.
• decreasing the average number of births per woman.
• decreasing infant death.

Population size can be estimated using the formula

• (CBR + Immigration) + (CDR + Emigration)
• (CBR + Immigration) - (CDR + Emigration)
• (CBR - Immigration) + (CDR - Emigration)
• (CBR - Immigration) - (CDR - Emigration)

Most demographers estimate that the human population will stabilize between ___ and ___ billion people.

• 7.1; 8.3
• 6.8; 10.5
• 7.1; 12.7
• 6.8; 8.3