This suction pulls water up from the roots, via the xylem, into the growth layer of the trunk and into the tree crown. There it replaces the water that has been released into the atmosphere.

However, a young tree may look entirely different from the parent tree. A forest-grown tree may grow tall and slender while his field-grown cousin develops a maximum crown in the open sun.

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. The most accurate way foresters determine the age of a tree is by ...

George Montgomery, curator of botany at the Arizona-Sonora Desert Museum, explained that tree-ring dating isn't dependable because mesquites are "opportunistic growers" that grow with rainfall ...