27. Protists
Protist Lineages
Multiple Choice
Multiple ChoiceWhat role do diatoms play in the global carbon balance affecting global warming?
A
Diatoms release large amounts of methane, a greenhouse gas, into the atmosphere.
B
Diatoms release large amounts of carbon dioxide, a greenhouse gas, into the atmosphere.
C
During a bloom, diatom populations increase rapidly, providing many more photosynthetic organisms to the plankton population.
D
Diatomaceous earth can be used to filter carbon dioxide from the atmosphere.
E
During a bloom, diatom populations may increase rapidly. If many diatoms die and sink to the bottom without being eaten, they effectively pump carbon dioxide out of the atmosphere.
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