Horses originated in north america and then migrated to asia and europe. as they migrated, they evolved over many generations into the horse species we see today. this is an example of which migration type?

I believe the answer is: Secular migration

Secular migration refers to type of migration that accompanied by adaptation and speciation along the way. Compared to other type of migration, secular migration tend to happen on a slower rate and had higher rate of developing evolutionary changes.

answer; ///the (iroquois) cultures was made up of several groups, who spoke a common language

answer; i believe that the correct answer is ( rivers);