Because there are too many sex chromosomes I think
Coevolution happens when the genetic development between two or more species affects the evolution of each other. An example would be hummingbirds and bird-pollinated (ornithophilous) flowers. The ornithophilous flowers give nourishment to the birds with their nectar that has high sugar content. The birds in return aids in the pollination of these flowers.
Hunter-gatherer societies are often nomadic. I believe.
The experimental protocol describes and determines materials, equipment, and procedures.
