試題詳解

34. In a lake of South Africa, a group of fish evolved into different species due to the change of the shape of their lower jaws so they could prey on different types of prey. Which term best describes this pattern of speciation?
(A)Sympatric speciation
(B) Allopatric speciation
(C) Parapatric speciation
(D)Polyploidy speciation
(E)Speciation after hybridization