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

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難度： 簡單
1F
正心 國三下 (2016/03/01)
4*(250*250)/(250+250)=500
2F
面試倒楣鬼-22幸運上後西 大二上 (2021/06/15)

 只計算公母成年個體, = 4*FM / (F+M)



8. Imagine a population of 1,000 small r..-阿摩線上測驗