Carbon Cycle

How does the human body return carbon to the atmosphere in the carbon cycle?

• Waste products

• Photosynthesis

• Cellular respiration

• Formation of glucose

Tags

NGSS.HS-LS2-5

Since the industrial revolution, human activity has significantly altered the carbon cycle by accelerating the addition of CO₂ into the atmosphere and carbon into the oceans.

• True

• False

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

What is happening at Location 1?

• respiration: releasing carbon dioxide

• decomposing carbon into the soil

• photosynthesis: absorbing carbon dioxide

• turning carbon dioxide from the atmosphere into organic molecules (food)

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is happening at Location 4?

• respiration: releasing carbon dioxide

• decomposing carbon into the soil

• photosynthesis: absorbing carbon dioxide

• turning carbon dioxide from the atmosphere into organic molecules (food)

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is happening at Location 3?

• respiration releasing carbon dioxide into the atmosphere

• combustion of fossil fuels releasing carbon dioxide into the atmosphere

• photosynthesis

• turning carbon dioxide from the atmosphere into organic molecules (food)

Tags

NGSS.MS-ESS3-4

What is the process that gets carbon from plants to soil called?

• decomposition

• cellular respiration

• melting

• storage

Aquatic plants do not conduct photosynthesis because carbon dioxide is only found in the atmosphere, not the hydrosphere.

• True

• False

Tags

NGSS.MS-LS1-6

If the plant population decreased, the amount of carbon in the atmosphere would _.

• increase

• decrease

• not be affected

_ is the process of producers taking in carbon dioxide, sunlight and water and producing oxygen gas and sugars

Tags

NGSS.MS-LS1-6

Which of the following is NOT a carbon sink?

• Ocean

• Rocks

• Forests

• Soil

Tags

NGSS.MS-LS1-6