What is bark?
Q: What is bark?
A: Bark is the covering of the stems of woody plants, like trees.
Q: What does bark do?
A: Bark protects the tree.
Q: What can bark of different plants and trees look like?
A: Bark of different plants and trees can look very different, it can be rough or smooth and can have different colors.
Q: Where does most of the bark grow from?
A: Most of the bark grows from the vascular cambium.
Q: What are lenticels and what is their function?
A: Lenticels are found in the bark and they allow gases to move in and out of inner tissues which have living cells.
Q: How long has bark been on trees?
A: Bark of one kind or another has been on trees from the Carboniferous period.
Q: Where else can bark be found on trees?
A: Bark is obvious on stems and branches, and on some kinds of storage organs.
