Human Population Growth

Health and disease can determine a population's

• life or death

• hopes and dreams

• happiness or discontent

• religious beliefs or politics

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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.

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The anticipated human population by the year 2050 is about

• 7.8 billion.
• 9 billion.
• 9 trillion.
• 78 billion.

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In countries like India, the human population is growing

• exponentially.
• transitionally.
• logistically.
• demographically.

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What three factors can affect ANY population's growth rate?

• Birthrate, death rate, migration
• disease, predation, migration
• medicine, agriculture, industry
• life expectancy, sanitation, vaccines

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Which of the following would most likely occur if a population exceeded the carry capacity of the environment?

• The birth rate would likely increase.
• Birth rate would be equal to the death rate.
• The death rate would increase.
• Immigration would increase.

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What does the term carrying capacity describe?

• The maximum number of birth rates for a population.

• The ability of a population to accept new immigrants.

• The ratio of birth rates to death rates in a population.

• The population size that the environment can sustain.

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