The sea star Pisaster ochraceus was removed from selected intertidal communities along the Washington coast. After 10 years how did those communities compare to control communities?
A) The communities were statistically indistinguishable from one another.
B) Without sea stars, mussels became abundant and crowded out other community members.
C) Other predatory sea stars replaced Pisaster.
D) The mussel populations declined, but most species were unaffected.
Correct Answer:
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