Vascular cambium is one of two lateral meristems; the other is cork cambium. A plant grows in diameter primarily through divisions of the vascular cambium. If you pull a small piece of bark off a tree and look at the bark's inside surface, what tissue are you looking at? Ignore any remaining cells of vascular cambium that may be left. xylem phloem cork cambium cork

Phloem

Explanation:

Xylem and phloem are conducting tissues of plants,. The xylem conducts water from roots to various part of the shoot and phloem conducts food from leaves to other parts of the plant.

The cork cambium in the stem forms xylem towards the centre and phloem towards the periphery. When we pull off the bark  of the tree we pull off tissue from the periphery. So we can say that we are observing phloem when we pull off a small piece of bark.

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;