Why does a phylogenetic tree show evolutionary relationships?
The phylogenetic tree shows evolutionary history and relation with other organisms.
The phylogenetic tree shows relation with other organisms or groups. According Darwin Theory organisms have evolved fron simple ancestor. It is an ancestral history. During the evolution different groups raised different directions. The evolutionary tree and its branches show the evolutionary relationships among various other species or other related groups. Their phylogeny depicts similarities and dissimilarity in their physical or genetic characteristics features.