Exploring the Carbon Cycle

Which of the following ecosystems is known for having the highest rate of carbon sequestration due to its dense vegetation?

• Sonoran Desert

• Tropical Rainforest

• Florida Everglades

• Arctic Tundra

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NGSS.HS-LS2-5

In the context of the carbon cycle, what role do decomposers play in an ecosystem?

• They absorb carbon dioxide from the atmosphere.

• They release carbon dioxide back into the atmosphere through decomposition.

• They sequester carbon in the form of fossil fuels.

• They prevent carbon from being released into the atmosphere.

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How does plant size affect carbon absorption in an ecosystem?

• Larger plants absorb less carbon due to their size.

• Smaller plants absorb more carbon because they grow faster.

• Larger plants absorb more carbon due to their greater biomass.

• Plant size does not affect carbon absorption.

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NGSS.HS-LS2-5

Which factor is most likely to increase the rate of carbon release in the Sonoran Desert?

• High humidity

• Low temperatures

• High decomposition rates

• Abundant rainfall

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NGSS.HS-LS2-5

What is a significant consequence of deforestation in tropical rainforests on the global carbon cycle?

• Increased carbon sequestration

• Decreased atmospheric carbon dioxide levels

• Increased atmospheric carbon dioxide levels

• Stabilization of global carbon levels

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NGSS.HS-ESS2-6

NGSS.HS-LS2-5

Which of the following best describes the carbon cycling efficiency in the Florida Everglades?

• High efficiency due to rapid plant growth and decomposition

• Low efficiency due to slow plant growth

• High efficiency due to low decomposition rates

• Low efficiency due to high temperatures

What is the primary way carbon is sequestered in the Sonoran Desert?

• Through dense forest cover

• Through soil and plant biomass

• Through large bodies of water

• Through extensive grasslands

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NGSS.HS-LS1-5

NGSS.HS-LS2-5

How does human activity, such as urbanization, impact carbon cycling in ecosystems?

• It increases carbon sequestration by creating more green spaces.

• It decreases carbon sequestration by reducing natural vegetation.

• It has no impact on carbon cycling.

• It stabilizes carbon levels by balancing emissions and absorption.

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Which environmental condition is most likely to enhance carbon absorption in the tropical rainforest?

• Low sunlight

• High temperatures and humidity

• Low rainfall

• High wind speeds

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NGSS.HS-ESS2-6

NGSS.HS-LS2-5

What potential consequence does increased atmospheric carbon dioxide have on climate change?

• It leads to global cooling.

• It has no effect on climate change.

• It contributes to global warming.

• It stabilizes the climate.

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NGSS.HS-ESS2-4

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