Question

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.

Answer 1

The correct answer of the given question above would be option # 3 (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.

Step-by-step explanation:

Answer 2

the third one that says

evolution of populations over time