Alarge population of animals is split in two by a physical barrier. over time, the genetic makeup of the two resulting populations becomes more and more different until each population becomes a separate species. this is an example of

Genetic mutation and evolving to the point that mating would become extremely hard between the species

1) the mayans built pyramids just like the egyptians. the mayans also used hieroglyphics like them.2) power was passed down by family. for example, if the father dies, the son would be the next king.3)they both built pyramids for their structures.4)the main crop for the mayans was maize.5)they also grew manioc, beans,  squash,  amaranth, and chile peppers.

Streaks on the face of wave rock