Answer:
The best definition of a phylogenetic tree is an evolutionary reference mark that groups a certain group of species that share characteristics and ancestors.
Step-by-step explanation:
All right first of all the phylogenetic tree is an instrument to classify a certain group o species that share genetic or any type of characteristic. This species also share origin by their similitudes and this classification helps us realize the evolutionary history of each species. It is a very good instrument to create a genetic and evolutionary universe.