60. What is the effective population size (Ne) for a population of Black Bears with 500 males and 300 females?
(A) 300
(B) 400
(C) 500
(D) 750
(E) 800
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統計: A(15), B(12), C(2), D(79), E(8) #2349855
統計: A(15), B(12), C(2), D(79), E(8) #2349855