What determines the carrying capacity of a particular population by an ecosystem?

A.keystone species
B.pioneer species
C.limiting factors
D.renewable resources

4 answers

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im am having trouble with this question to plz help What determines the carrying capacity of a particular population by an ecosystem?
A.keystone species
B.pioneer species
C.limiting factors
D.renewable resources
Does anybody have the answers to this test or questions???
I believe it is C, but I am not sure