23. Speciation
Species
Multiple Choice
Multiple ChoiceThree species of frogs, Rana pipiens, Rana clamitans, and Rana sylvatica, all mate in the same ponds, but they pair off correctly because they have different calls. This is a specific example of a __________ barrier, called __________.
A
postzygotic; hybrid breakdown
B
prezygotic; temporal isolation
C
postzygotic; mechanical isolation
D
prezygotic; gametic isolation
E
prezygotic; behavioral isolation
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