Carbon Cycle

How is carbon released back into the atmosphere after being taken in by plants and animals?

• Through nitrogen assimilation

• Through nitrogen fixation

• Through nitrogen leaching

• Through cellular respiration

Tags

NGSS.MS-LS2-3

What is the process by which plants convert carbon dioxide into organic compounds, especially sugars, in the presence of sunlight?

• Photosynthesis

• Cellular Respiration

• Nitrogen Fixation

• Nitrogen Assimilation

Tags

NGSS.MS-LS1-6

A gas produced by animals during respiration that plants use for photosynthesis.

• Oxygen
• Carbon Dioxide
• Photosynthesis
• Radiation

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following add carbon dioxide to the atmosphere?

• volcanoes
• combustion of fossil fuels
• animal and plant respiration
• all of these

Tags

NGSS.MS-ESS3-4

Respiration is the process by which ____________ is consumed and _______________ is produced.

• Carbon, Oxygen
• Oxygen, Carbon dioxide
• H20, oxygen
• Carbon, H2O

Tags

NGSS.MS-LS1-3

Place the processes listed into the correct spots on the Carbon Cycle image:

b

c

d

e

a

Aerobic Cellular Respiration

Fossilization/Dead Plants/Animals

Atmospheric CO2

Dead Organisms Decomposing

Fossil Fuel Combustion

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Match the following steps within the carbon cycle.

• Process of breaking down glucose to release energy

• Combustion

• Conversion of light energy into chemical energy

• Cellular Respiration

• Process of decay to release fossil fuel

• Decomposition

• Process of breaking down fossil fuels

• Photosynthesis

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is happening in step 1?

• Animals are decomposing and realizing carbon into the soil.
• Animals are releasing energy into the environment and storing carbon.
• Animals are turning carbon dioxide from the atmosphere into organic molecules.
• Animals are breaking down organic molecules and releasing carbon dioxide into the atmosphere.

Tags

NGSS.MS-LS2-3

In the carbon cycle, producers take in the gas __

• carbon dioxide
• oxygen
• nitrogen
• carbon monoxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Combustion is another word for __________.

• Transportation

• Respiration

• Fossil Fuels

• Burning

Answer explanation

Combustion refers to the process of burning, where substances react with oxygen to produce heat and light. Therefore, the correct answer is 'Burning', as it directly describes the combustion process.