37. The tendency for characteristics to be more different in sympatric populations of two species than in allopatric populations of the same two species is called
(A) competitive exclusion
(B) character displacement
(C) niche shift
(D) speciation
(E) dynamic equilibrium
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統計: A(13), B(22), C(9), D(7), E(3) #2238510
統計: A(13), B(22), C(9), D(7), E(3) #2238510