Multicellular organisms include sea plants.
The Nine Nations of North America is a 1981 book by Joel Garreau , in which Garreau suggests that North America can be divided into nine nations , which have distinctive economic and cultural features .. Joel Garreau. Joel Garreau. North America. North America. nations. nations. economic. economy. cultural. culture. He also argues that conventional national and state borders are largely artificial and irrelevant , and that his `` nations '' provide a more accurate way of understanding the true nature of North American society .. nations. nations. Paul Meartz of Mayville State University called it `` a classic text on the current regionalization of North America '' .. North America. North America. Mayville State University. Mayville State University