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Matter and Energy in Ecosystem Models
Worksheet
Grade Level
Biology
10.95 Matter and Energy in Ecosystem Models
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Use the ecosystem production table. Which ecosystem is acting as a carbon sink for the period shown?
A
Ecosystem Y, because respiration is greater than productivity.
B
Ecosystem X, because gross primary productivity is greater than total ecosystem respiration.
C
Both ecosystems, because respiration always stores carbon.
D
Neither ecosystem, because photosynthesis cannot affect carbon balance.
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