In the Phylogeny Depicted in the Figure, the P Species

question 6

Multiple Choice

In the phylogeny depicted in the figure, 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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Definitions:

Task Groups

Collections of individuals brought together to accomplish a specific job, project, or assignment within a limited timeframe.

Formal Groups

Collections of individuals brought together within an organization to achieve specific goals with defined roles and structures.

Clique

A small, exclusive group of individuals with shared interests or common goals, often perceived as isolating themselves from others.

Person-To-Person

Direct interaction or communication between two or more individuals.