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Ecosystem Stability and Change
Worksheet
Grade Level
Grade 7
7.39 Ecosystem Stability and Change
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Which claim about population change is best supported by the evidence?
A
The evidence supports that seagrass decreased because clam juveniles increased after the disturbance.
B
The evidence proves bass is unaffected because its numbers are identical at every time.
C
The evidence supports that clam juveniles decreased after the disturbance and seagrass increased, consistent with reduced grazing.
D
The evidence shows the disturbance happened after week 10, not earlier.
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