問題詳情

30. You are observing a population of lizards when you notice that the number of adults has increased and is higher thanpreviously observed. One explanation for such an observation would include ____.
(A) increased birth rate
(B) decreased emigration
(C) increased emigration
(D) increased immigration
(E) reduction in death rate

參考答案

答案:D
難度:適中0.666667
統計:A(0),B(0),C(0),D(2),E(1)

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