Human population growth

Today the human population of Earth is

• more than 10 billion

• more than 6.7 billion

• less than 7 million

• less than 9.9 million

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In most areas of the world today

• people are richer than ever in human history

• people are smarter than ever in human history

• people weigh more than ever in human history

• people live longer than ever in human history

Today the growth rate of the human population is decreasing.

• true

• false

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As the human population grows, the demand for natural resources stays the same.

• true

• false

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NGSS.HS-ESS3-6

If population and the demand for natural resources continue to grow at the present rate, the human population will be too large for Earth to support.

• true

• false

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NGSS.HS-ESS3-1

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NGSS.HS-ESS3-6

Demography is the scientific study of

• parasitism and disease.
• modernized countries.
• human populations.
• none of these

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.

About 500 years ago, the world’s population started

• decreasing.
• to reach carrying capacity.
• growing more rapidly.
• to level off.

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The human population experienced exponential growth just after

• agriculture began.
• plowing and irrigation began.
• the bubonic plague began.
• the Industrial Revolution began.

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.