Unit 3 Lesson 9 - Human Population and Global Change

What is the current trend in global human population growth?

• The population is decreasing worldwide

• The population is growing rapidly in all areas

• The population is growing but at a slower rate in many countries

• The population is growing only in developed countries

Which factor most directly contributes to the growth of the human population?

• Increased immigration

• Higher birth rates

• Increased per capita resource consumption

• Increased natural disasters

What is the term for the maximum number of individuals an environment can support without damaging the ecosystem?

• Carrying capacity

• Population density

• Ecosystem balance

• Sustainable development

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What is one major environmental concern related to the increasing human population?

• Decreased levels of atmospheric CO2

• The destruction of ecosystems

• The return of extinct species

• A decrease in natural disasters

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Which human activity is the leading cause of global warming?

• Burning fossil fuels

• Deforestation

• Industrial agriculture

• Urbanization

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What does "ecological footprint" refer to?

• The total land area required to produce the food for a population

• The total area of land required to absorb the waste of a population

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What does the "Greenhouse Effect" refer to?

• The cooling effect of plants and trees on the Earth's atmosphere

• The process by which heat is trapped in the Earth's atmosphere by gases like CO2

• The production of oxygen by green plants

• The increase of rainfall due to increased human activity

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Which of the following is a renewable resource?

• Oil

• Coal

• Wind energy

• Natural gas

Which of the following best describes a "feedback loop" in climate change?

• A process that causes the climate to stabilize

• A chain of events that accelerates climate change or helps reduce its impact

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Why is population control important in addressing environmental issues?

• It helps lower the average temperature of the planet

• It ensures all species survive in urban areas

• It reduces the pressure on resources and ecosystems

• It increases the number of agricultural workers

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