4.3 The Human Population Concepts

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What was the world population in 1800?

One billion (correct)

Three billion

Two billion

Four billion

What was the world population in 1960?

Two billion

Four billion

Five billion

Three billion (correct)

What was the time gap between the population reaching five billion and six billion?

130 years

12 years (correct)

15 years

30 years

Which of the following factors has contributed to the acceleration of human population growth in the past 200 years?

Improvements in public health and sanitation Signup and view all the answers

How did the HIV/AIDS epidemic affect life expectancy in sub-Saharan Africa?

Decreased life expectancy by 7 years Signup and view all the answers

Which of the following best describes the age structure diagram for a population with rapid growth?

Deflated triangle shape with a wide base and rapidly decreasing number of individuals with age Signup and view all the answers

Which of the following factors is most closely associated with the level of economic development in a region?

Age structure Signup and view all the answers

Which of the following statements is true about human population growth?

Human population growth has been exponential since 1000 AD. Signup and view all the answers

What is a potential risk associated with long-term exponential human population growth?

Depletion of natural resources Signup and view all the answers

Which of the following global environmental changes is caused by human activities?

Depletion of the ozone layer Signup and view all the answers

What is the carrying capacity of an environment?

The maximum population size that can be sustained indefinitely. Signup and view all the answers

According to the information provided, what is one way humans have increased their carrying capacity?

By harnessing the energy contained in fossil fuels. Signup and view all the answers

What is a potential social consequence of human population growth mentioned in the text?

Increased crime due to crowding. Signup and view all the answers

Which region is experiencing the highest population growth rate?

Some parts of Africa Signup and view all the answers

What was the prediction made by Dr. Paul R. Ehrlich in his 1968 book 'The Population Bomb'?

Hundreds of millions of people will starve to death in the 1970s Signup and view all the answers

What was the purpose of the one-child policy implemented in China?

To impose fines on urban couples who have more than one child Signup and view all the answers

What is the estimated future world population size according to the United Nations?

11.2 billion people Signup and view all the answers

What is one consequence of population growth mentioned in the text?

Increased greenhouse gas emissions Signup and view all the answers

What is the effectiveness of the one-child policy in China in limiting overall population growth?

Controversial Signup and view all the answers

What is the relationship between economic development and climate change mitigation efforts mentioned in the text?

Underdeveloped countries trying to improve their economic condition may be less likely to agree with climate change mitigation efforts without compensation Signup and view all the answers

What is the purpose of family planning education programs mentioned in the text?

To reduce population growth rates and increase standards of living Signup and view all the answers