How Well Do You Know the Wonders of Trees? Take the Tree Trivia Quiz!
Can you identify the part of the tree responsible for its growth in width?
Correct Incorrect The cambium is located between the bark and the sapwood of a tree, typically as a thin layer of cells. You can feel it if you peel the bark off a tree. As the cambium hardens, it leaves behind a ring on the tree, which is how we determine its age.