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What is represented by the base root of a phylogenetic tree? the extinction of the species the origin of the species evolution of populations over time where a population splits into two.

User Rob Curtis
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Answer:

evolution of populations over time

User Sanjayav
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The correct answer of the given question above would be the third option: THE EVOLUTION OF POPULATIONS OVER TIME. What is represented by the base of a phylogenic tree is the evolution of populations over time. It is also known as the evolutionary tree. This tree shows the evolutionary relationships among species. 
User Mandaleeka
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