In the Phylogeny Depicted in the Figure Below,the P Species

question 36

Multiple Choice

In the phylogeny depicted in the figure below,the P species are from the Pacific side and the C species are from the Caribbean side of the Isthmus of Panama.Which of the following is the most likely cause of speciation?

• A)Sympatric speciation
• B)Parapatric speciation
• C)Allopatric speciation via dispersal across the Isthmus of Panama
• D)Allopatric speciation via isolation when the Isthmus of Panama closed

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