The change in cognition that allows children to focus without becoming distracted, persist at tasks, and exhibit quick, efficient memory is a result of the development of:

The change in cognition that allows children to focus without becoming distracted, persist at tasks, and exhibit quick, efficient memory is a result of the development of control process. The five domains of the children control process are fine motor, gross motor, social, language and cognitive. All of these processes will improve as to how the children will interact with others and deal situations as they go through their life.

Yes you are cute answer theories to explain the colonization of the new world the last great habitable landmass to be occupied by humans focus on the bering land bridge, or beringia, which emerge by siberia and alaska the last ice age.