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39 votes
39 votes
The changes that occurred in Yellowstone National Park after all of its wolves

were killed showed that wolves are
A. harmful to the ecosystem
B. the only producers in the ecosystem
C. beneficial to the ecosystem
a
D. unnecessary for the survival of other species

User Chris Tapay
by
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1 Answer

16 votes
16 votes
C. beneficial to the ecosystem
User Abhijith C R
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