Podcast
Questions and Answers
What process removes carbon from the atmosphere?
What process removes carbon from the atmosphere?
- Combustion
- Respiration
- Photosynthesis (correct)
- Decomposition
Carbon is an unlimited resource on Earth.
Carbon is an unlimited resource on Earth.
False (B)
Name one way carbon is returned to the atmosphere.
Name one way carbon is returned to the atmosphere.
Respiration
The process of burning fossil fuels is known as ________.
The process of burning fossil fuels is known as ________.
Match the following processes with their effect on atmospheric carbon dioxide levels:
Match the following processes with their effect on atmospheric carbon dioxide levels:
What happens to the carbon in dead plants and animals when decomposition is absent?
What happens to the carbon in dead plants and animals when decomposition is absent?
Deforestation helps to reduce the amount of carbon dioxide in the atmosphere.
Deforestation helps to reduce the amount of carbon dioxide in the atmosphere.
Name a type of organic molecule that contains carbon.
Name a type of organic molecule that contains carbon.
An increase in the carbon dioxide content of the atmosphere due to the use of fossil fuels can result in ________.
An increase in the carbon dioxide content of the atmosphere due to the use of fossil fuels can result in ________.
Which of the following activities contributes most to the increase of carbon dioxide in the atmosphere?
Which of the following activities contributes most to the increase of carbon dioxide in the atmosphere?
The carbon cycle involves a one-way flow of carbon from the atmosphere to living organisms.
The carbon cycle involves a one-way flow of carbon from the atmosphere to living organisms.
Explain how deforestation impacts the carbon cycle.
Explain how deforestation impacts the carbon cycle.
The conversion of carbon in dead organisms into fossil fuels requires ________ and ________ over millions of years.
The conversion of carbon in dead organisms into fossil fuels requires ________ and ________ over millions of years.
Match the carbon reservoir with its primary process of carbon release:
Match the carbon reservoir with its primary process of carbon release:
How does the burning of fossil fuels affect the balance of carbon between global reservoirs?
How does the burning of fossil fuels affect the balance of carbon between global reservoirs?
The carbon cycle primarily involves only living organisms and the atmosphere.
The carbon cycle primarily involves only living organisms and the atmosphere.
Describe how a single carbon atom might cycle through the environment, from the atmosphere to a living organism and back.
Describe how a single carbon atom might cycle through the environment, from the atmosphere to a living organism and back.
Disrupting the balance of carbon between global reservoirs, such as through excessive fossil fuel combustion and deforestation, can lead to ________, which is a large-scale example of the potential consequences.
Disrupting the balance of carbon between global reservoirs, such as through excessive fossil fuel combustion and deforestation, can lead to ________, which is a large-scale example of the potential consequences.
If all photosynthesis on Earth were to suddenly stop, what would be the most immediate consequence for the carbon cycle?
If all photosynthesis on Earth were to suddenly stop, what would be the most immediate consequence for the carbon cycle?
Match each scenario with its long-term impact on the global carbon cycle:
Match each scenario with its long-term impact on the global carbon cycle:
Flashcards
Photosynthesis
Photosynthesis
The process where plants use carbon dioxide from the atmosphere to produce energy.
Respiration
Respiration
The process by which plants, animals, and microorganisms release carbon dioxide back into the atmosphere.
Fossil Fuels
Fossil Fuels
The remains of dead plants and animals that turn into coal, oil, and natural gas over millions of years.
Combustion
Combustion
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Deforestation
Deforestation
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Carbon Cycle
Carbon Cycle
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Glucose
Glucose
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Global Warming
Global Warming
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What happens when organisms die?
What happens when organisms die?
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Study Notes
- Nutrients like carbon and nitrogen are finite and must be recycled for new life to form and grow.
- Plants extract carbon from the atmosphere as carbon dioxide during photosynthesis.
- Carbon then moves to animals and microorganisms through feeding.
- Respiration by plants, animals, and microorganisms releases carbon back into the atmosphere as carbon dioxide.
- Fossil fuels form from dead organisms under specific conditions over millions of years.
- Combustion of fossil fuels releases carbon dioxide.
- Increased fossil fuel use raises atmospheric carbon dioxide levels.
- Deforestation worsens the problem by burning trees, which releases more carbon dioxide.
- Deforestation also reduces the number of producers, meaning less carbon dioxide is taken out of the atmosphere through photosynthesis.
- Carbon is vital for organic molecules like glucose.
- The carbon cycle is essential for moving carbon between global reservoirs.
- The balance of carbon between reservoirs is essential for sustaining life.
- Imbalances in the carbon cycle can harm organisms.
- Global warming exemplifies the potential effects of carbon balance disruption.
- A carbon atom's journey begins as CO2, potentially becoming part of a sugar molecule via photosynthesis, and returns to the atmosphere through respiration.
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