Name two ways that carbon (usually in the form of CO2) enters the atmosphere.
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Process D on the diagrm uses CO2 from the atmosphere. Identify the process labeled D.
A. combustion
B. photosynthesis
C. respiration
D. decay
What oranisms carry out the process labeled D?
A. animals
B. bacteria
C. plants
D. fungi
Wastes and dead organisms must be broken down in order for their components to be used again. What organisms carry out decomposition?
A. herbivores
B. plants
C. fungi, bacteria, and worms
D. carnivores
What would happen if decomposition did not occur?
A. nutrients would not be recycled into the soil
B. plants would not be able to convert carbon dioxide into sugar
C. animals would not be able to breath
D. plants would not be able to make oxygen
Not all dead organisms are acted on by decomposers. Instead of being immediately recycled, the carbon from some organisms is kept in a type of long-term storage or carbon sink. Click on 3 materials that are carbon sinks.
A. coal
B. animals
C. water
D. peat
E. natural gas
F. plants
Cellular respiration, decomposition, combustion, and photosynthesis are processes that drive which of the following cycles?
A. carbon cycle
B. nitrogen cyle
C. phosophorus cycle
D. transcription
Leaves fall from trees in autumn. The carbon in these leaves is returned to the atmosphere through which of the following processes?
A. condenstation
B. decomposition
C. photosynthesis
D. transcription
What process is happening here? The factory is burning fossil fuels releasing carbon into the atmosphere.
A. photosynthesis
B. respiration
C. combustion
D. decomposition
What process is happening here? The lynx is breathing out carbon dioxide?
A. photosynthesis
B. respiration
C. combustion
D. decomposition
What process is happening here? The tree is removing carbon dioxide from the atmosphere. During this process the tree makes sugar.
A. photosynthesis
B. respiration
C. combustion
D. decomposition
What gas is made during photosynthesis? This gas is breathed in by the lynx.
A. carbon dioxide
B. oxygen
C. helium
D. nitrogen
Carbon cycles through all of the following except
A. biosphere
B. atmosphere
C. hydrosphere
D. ecosphere
Burning fossil fuels is known as
A. decomposition
B. combustion
C. fermentation
D. translocation
Which of the following are mainly cycled through the processes of photosynthesis and cellular respiration?
A. carbon and sulfur
B. carbon and oxygen
C. nitrogen and sulfur
D. nitrogen and oxygen
The diagram shows part of the carbon cycle. Which of the processes shown in the diagram is responsible for cycling carbon from the atmosphere to the biosphere (living things)
