cascyrio2002
07.05.2021 •
Biology
Pisaster is a type of species found in tide pools. Researchers experimentally removed Pisaster in some areas to see how the ecosystem was affected. The
results are shown in the graph below.
Based on these results alone, which of the following best describes the role of Pisaster in this ecosystem?
A. Pisaster is an invasive species in this ecosystem
B. Pisaster was the top predator in this ecosystem
C. Pisaster is the only producer in this ecosystem
D. Pisaster is a keystone species in this ecosystem
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