[Extra Credit] Almost two-thirds of the world's population lives in the zone between...

• 20°N and 60° N latitude
• 30°N and 70° N latitude
• 20°N and 60° N longitude
• 30°N and 70° N longitude

The city with the highest population is...

• San Jose
• New York
• Paris
• Tokyo

A fertility rate has to be __ or higher to replace the current population.

• 1.0
• 2.0
• 2.1
• 1.1

The worldwide average fertility rate is...

• 2.8
• 2.56
• 2.1
• 1.8

A ___ ___ shows the age and gender distribution in a population.

• Population Pyramid
• Population Chart
• Population Triangle
• Population Graph

The earth's population hit the 1 billion mark back in the...

• 1700's
• 1800's
• 1900's
• 2000's

A large scale migration alters the __ of population.

• distribution
• population
• number
• amount

In 2000, which age group population is most common in the United States?

• 19-24
• 26-29
• 39-44
• 49-56

How to find the population density?

• inhabitants per area
• area per inhabitants
• people per length
• length per inhabitants

[Extra Credit] The 25 cities with the highest population have a combined population of...

• 427
• 428
• 429
• 430