Chapter 4: Demographics

Question 1

According to estimates, how many males and females crossing the Bering Land Bridge were needed to lead to a population of 10 million in the Americas by 1492?

Answer 1

400

Question 2

Fill in the Blank:
The transition to ___________ led to widespread environmental damage and ecological displacement.

Answer 2

agriculture

Question 3

Match the Event with the Population Milestone:

1 billion - _______
3 billion - _______
6 billion - _______
500 million - _______

1999
650 CE
1960
1800s

Answer 3

1 billion - ~1800s
3 billion - ~1960
6 billion - ~1999
500 million - ~1650 CE

Question 4

Who popularized the term “population bomb”?

Answer 4

Paul Ehrlich

Question 5

Fill in the Blank:
The human population growth rate briefly reached _______ percent per year in the 1950s.

Answer 5

2%

Question 6

What is the current estimated growth rate of the world population?

A) 0.2%
B) 1.3%
C) 2%
D) 3%

Answer 6

B

Question 7

According to recent United Nations demographic reports, what is the current assumed fertility rate globally?

Answer 7

1.85

Question 8

At what rate does the world’s population stabilize, assuming replacement-level fertility?

A) 1.85
B) 2.1
C) 2.5
D) 1.4

Answer 8

B

Question 9

Humanity’s growth rate for much of its history was about _______ every 1,000 years before agriculture.

Answer 9

0.2%

Question 10

How many years did it take the global population to reach two billion after it first reached one billion?

A) 33 years
B) 150 years
C) 123 years
D) 100 years

Answer 10

C