Podcast
Questions and Answers
Carbon dioxide in the oceans forms _______________________ in shells and bones.
Carbon dioxide in the oceans forms _______________________ in shells and bones.
carbonates
State two ways carbon is removed from the atmosphere.
State two ways carbon is removed from the atmosphere.
photosynthesis, formation of carbonates in shells and bones
What happens to the carbon atoms when organisms die?
What happens to the carbon atoms when organisms die?
- They can end up in fossil fuels. (correct)
- They remain in the dead organism.
- They are released into the atmosphere.
- They are destroyed.
Plants are the only organisms that undergo photosynthesis.
Plants are the only organisms that undergo photosynthesis.
Match the stages of the carbon cycle to the correct description:
Match the stages of the carbon cycle to the correct description:
Complete the equation for photosynthesis:
Complete the equation for photosynthesis:
What process involves plants and animals releasing carbon dioxide into the atmosphere?
What process involves plants and animals releasing carbon dioxide into the atmosphere?
Formation of fossil fuels is a process that removes carbon from the atmosphere.
Formation of fossil fuels is a process that removes carbon from the atmosphere.
What happens to waste material and dead organisms in the carbon cycle?
What happens to waste material and dead organisms in the carbon cycle?
Carbon is stored in the _______________ through the formation of shells.
Carbon is stored in the _______________ through the formation of shells.
Match the following processes with their descriptions:
Match the following processes with their descriptions:
What is NOT a way carbon is released into the atmosphere?
What is NOT a way carbon is released into the atmosphere?
Study Notes
The Carbon Cycle
Removing Carbon Dioxide from the Atmosphere
- Photosynthesis equation: CO2 + water → glucose + O2
- Examples of organisms that photosynthesize:
- Two ways carbon is removed from the atmosphere:
- Photosynthesis by organisms
- Formation of carbonates in shells and bones of marine organisms
Transfer of Carbon
- Carbon is transferred between different carbon reservoirs:
- Through the food chain (e.g., when animals eat plants)
- When organisms die and carbon remains in fossil fuels
- When plants and animals respire, releasing CO2
Releasing Carbon Dioxide into the Atmosphere
- Stages of the carbon cycle where CO2 is released:
- Respiration by plants and animals
- Combustion of fossil fuels
- Decomposition of waste material and dead organisms
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Description
Understanding photosynthesis, carbon removal, and transfer in the carbon cycle. Complete equations, identify organisms, and describe carbon transfer methods.
