Cycles

How does carbon dioxide leave the atmosphere?

• Through transpiration
• Through photosynthesis
• Through factory emission
• Sunlight

What is one way that carbon enters the atmosphere?

• Sunlight
• Factory emissions
• Ocean uptake
• Rain

Do plants support the carbon cycle?

• Yes
• No

Have humans added too much carbon dioxide into the air?

• No
• Yes

Which process takes Carbon Dioxide from the air and converts it into a form of carbon used by living things?

• Precipitation
• Photosynthesis
• Respiration
• Bioremdiation

Which process converts carbon in the form of sugar into carbon dioxide gas?

• Bioremediation
• Photosynthesis
• Respiration
• Transpiration

In the food web, which organisms release the carbon from dead things back into the environment?

• Producers
• Consumers
• Scavengers
• Decomposers

What constantly circles around plants, animals, and the atmosphere?

• Carbon Dioxide, Oxygen, Water, and Nitrogen
• Nemo
• Atmosphere

What is one thing that releases Carbon into the Atmosphere?

• Food
• Nothing
• Fossil Fuels

Animals, plants, fungi, and some bacteria produce carbon during respiration?

• True 
• False