Phylogeny is the way of studying evolution by trees (branching) of all evolutionary organisms. It represents, how organisms are connected with each other at specific time period. By studying organism structure/function with specific time, it is easy and more systematic to investigate evolutionary concepts
Teotihuacan began as a religious center in the Mexican Highlands around the first century CE. It became the largest and most populated center in the pre-Columbian Americas. that is all I know about it
