Biogeochemical Cycles Notes Quiz

What is the role of plants and algae in the carbon cycle according to the diagram?

• They release carbon dioxide into the atmosphere.

• They decompose dead organisms and organic waste.

• They take in carbon dioxide and convert it into sugars using sunlight and water.

• They use aerobic cellular respiration to release energy.

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Which process in the carbon cycle is responsible for the release of CO2 by animals, plants, and decomposers?

• Photosynthesis

• Cellular respiration

• Decomposition

• Combustion

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What is the significance of carbon in organisms?

• It is used to create water molecules.

• It forms stable bonds with many elements and is the backbone of major macromolecules.

• It is the hardest known material to man.

• It is only used by animals for building bones.

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What is fossilization and under what conditions does it occur?

• Fossilization is the release of CO2 from fossil fuels and occurs during combustion.

• Fossilization is the process by which plants convert CO2 into oxygen and occurs during photosynthesis.

• Fossilization is the decomposition of dead organisms by fungi and bacteria.

• Fossilization is the process by which dead organisms can become fossil fuels over thousands of years under specific conditions.

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NGSS.MS-ESS2-3

What is the result of combustion in the carbon cycle?

• It leads to the fossilization of dead animals and plants.

• It results in the uptake of CO2 by plants and algae.

• It causes the release of vast amounts of CO2 into the atmosphere.

• It contributes to the formation of macromolecules in organisms.

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What is the process called when water vapor condenses to form clouds in the sky?

• Evaporation

• Transpiration

• Condensation

• Precipitation

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Which process describes the movement of water through the leaves of plants?

• Evaporation

• Transpiration

• Condensation

• Percolation

What is the term for water moving through soil layers, back to lakes and oceans?

• Evaporation

• Transpiration

• Condensation

• Percolation

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NGSS.MS-ESS2-4

What percentage of the Earth's water is freshwater available for animals and plants?

• 2.5%

• 25%

• 75%

• 97.5%

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NGSS.MS-ESS2-4

What is water called when it falls from the sky in the form of rain, snow, sleet, or hail?

• Evaporation

• Transpiration

• Condensation

• Precipitation

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