阿摩線上測驗
25. Two species of frogs belonging to the same genus occasionally mate, but the embryos stop developing after a day and then
die. These two frog species separate by ______.
(A) gametic isolation
(B) reduced hybrid fertility
(C) hybrid breakdown
(D) mechanical isolation
(E) reduced hybrid viability
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統計： A(8), B(8), C(29), D(1), E(31) #937734
統計： A(8), B(8), C(29), D(1), E(31) #937734
