Question

Nearly all of the plant tissue called ___ is made up of cell walls. (fill in the blank)

Answer 1

Wood is composed of fibers of cellulose (40%–50%)
and hemicellulose (15%–25%)
held together by lignin (15%–30%)

and cellulose is an important structural component of the primary cell wall of green plants.
I believe it's Wood.

Answer 2

yup its Wood.

Answer 3

bark, connective tissue(xylum,phloem)