問題詳情

8. Imagine a population of 1,000 small rodents. Of these, 250 are breeding females, 250 are breeding males, and 500 arenonbreeding juveniles. What is the effective population size?
(A) 1,500
(B) 1,000
(C) 500
(D) 300
(E) 250

參考答案

答案:C
難度:適中0.5
統計:A(1),B(2),C(8),D(0),E(2)

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