試題詳解

29. If x is the extinction rate of populations in patches per unit time and m is the rate of movement between patches, then, according to Richard Leurs, the proportion of occupied patches in a metapopulation will stabilize over time to _____.
(A) x/m
(B) 1 + (x/m)
(C) 1 – (x/m)
(D) 1/(x/m)
(E) (1+x)/m(本題送分)